{"id":11291,"date":"2022-02-26T12:06:12","date_gmt":"2022-02-26T12:06:12","guid":{"rendered":"https:\/\/tacticalreviews.co.uk\/?p=11291"},"modified":"2022-10-23T16:13:06","modified_gmt":"2022-10-23T15:13:06","slug":"knife-review-extrema-ratio-satre-special-report","status":"publish","type":"post","link":"https:\/\/tacticalreviews.co.uk\/?p=11291","title":{"rendered":"Knife Review: Extrema Ratio SATRE &#8211; Special Report"},"content":{"rendered":"<p>The <a href=\"https:\/\/www.extremaratio.com\/\" target=\"_blank\" rel=\"bookmark noopener\">Extrema Ratio<\/a> Satre is a pocket-sized, light and extremely tough fixed blade knife, designed in collaboration with Daniele Dal Canto, a Master Advanced F.I.S.S.S. instructor. In this special report review of the Extrema Ratio Satre, I am able to carry out a special set of tests to quantify the edge apex stability (resistance to rolling) in a direct comparison of the two steels the Satre is available in, N690 and S600, as I have all three versions of the Satre available to test, the standard Black and Satin (N690) and the S600 version at an super hard 64 HRC. This special report also include two videos, an overview and detailed measurement, plus one showing the steps of the edge stability testing (SET &#8211; Structural Edge Testing).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400.jpg\" alt=\"\" width=\"1080\" height=\"1080\" class=\"aligncenter size-full wp-image-11293\" srcset=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400.jpg 1080w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-300x300.jpg 300w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-1024x1024.jpg 1024w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-150x150.jpg 150w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-768x768.jpg 768w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-365x365.jpg 365w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-500x500.jpg 500w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-600x600.jpg 600w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002400-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p><b>Video Overview<\/b><\/p>\n<p>This video is a detailed look at the three SATRE Models, from handling to technical measurements, hopefully something for everyone.<\/p>\n<div class=\"video-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/_8RqEunaBvg?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<hr color=\"#333333\"><\/hr>\n<p><b>A few more details:<\/b><\/p>\n<p>The videos show all three versions, but as the dimensions, shape and function are all identical, the galleries here show the standard Black Satre.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-01-boxed-P1002323.jpg\" alt=\"\" width=\"800\" height=\"630\" class=\"aligncenter size-full wp-image-11294\" srcset=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-01-boxed-P1002323.jpg 800w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-01-boxed-P1002323-300x236.jpg 300w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-01-boxed-P1002323-768x605.jpg 768w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-01-boxed-P1002323-600x473.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><b>What&#8217;s in the box?:<\/b><\/p>\n<p>As well as the knife in a bag with desiccant, there is a QC certificate, care instructions and warranty information.<br \/>\n<style type=\"text\/css\">\n#foogallery-gallery-11299 .fg-image { width: 150px; }\n#foogallery-gallery-11299 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11299\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-02-boxed-P1002329.jpg\" data-attachment-id=\"11300\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-02-boxed-P1002329\/1019820180.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-03-box-open-P1002334.jpg\" data-attachment-id=\"11301\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-03-box-open-P1002334\/4117508684.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-04-box-contents-P1002337.jpg\" data-attachment-id=\"11302\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-04-box-contents-P1002337\/1091362393.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n<\/p>\n<hr color=\"#333333\"><\/hr>\n<p><b>A good look round the Sheath &#8211; Things to look out for here are:<\/b><\/p>\n<p>The small and neat Kydex sheath arrives with a neck lanyard, nicely laced through the eye rivets that hold the Kydex halves together. These eye rivets allow for other mounts to be fitted such as the ULTICLIP. The sliding adjustment toggle also serves as a safety break-away. There is a drainage hole at the blade tip on one side.<\/p>\n<style type=\"text\/css\">\n#foogallery-gallery-11303 .fg-image { width: 150px; }\n#foogallery-gallery-11303 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11303\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-05-sheathed-P1002339.jpg\" data-attachment-id=\"11304\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-05-sheathed-P1002339\/1338251046.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-06-sheathed-P1002343.jpg\" data-attachment-id=\"11305\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-06-sheathed-P1002343\/3563696190.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-07-sheathed-rear-P1002345.jpg\" data-attachment-id=\"11306\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-07-sheathed-rear-P1002345\/314133944.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-09-sheath-P1002352.jpg\" data-attachment-id=\"11308\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-09-sheath-P1002352\/900678880.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-10-sheath-back-P1002355.jpg\" data-attachment-id=\"11309\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-10-sheath-back-P1002355\/2243469039.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-11-sheath-drainage-P1002357.jpg\" data-attachment-id=\"11310\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-11-sheath-drainage-P1002357\/374959451.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-12-sheath-toggle-P1002359.jpg\" data-attachment-id=\"11311\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-12-sheath-toggle-P1002359\/2860148219.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-13-sheath-full-P1002361.jpg\" data-attachment-id=\"11312\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-13-sheath-full-P1002361\/1452684505.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-08-unsheathed-P1002350.jpg\" data-attachment-id=\"11307\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-08-unsheathed-P1002350\/3519133552.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n<hr color=\"#333333\"><\/hr>\n<p><b>A good look round the Knife &#8211; Things to look out for here are:<\/b><\/p>\n<p>The Satre knife consists of a single piece of steel with no other material attached to it (ignoring the small cord lanyard). Despite that simple construction, Extrema Ratio have managed to pack it full of character and clearly identify it as one of their designs. The distinctive first finger grip is shaped into the tang along with the small cut out for weight reduction. Plenty of jimping is provided for various grips.<\/p>\n<style type=\"text\/css\">\n#foogallery-gallery-11313 .fg-image { width: 150px; }\n#foogallery-gallery-11313 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11313\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-14-s600-angle-P1002363.jpg\" data-attachment-id=\"11314\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-14-s600-angle-P1002363\/3747194513.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-15-s600-plunge-P1002366.jpg\" data-attachment-id=\"11315\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-15-s600-plunge-P1002366\/1065798827.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-16-s600-finger-grip-P1002369.jpg\" data-attachment-id=\"11316\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-16-s600-finger-grip-P1002369\/3271095382.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-19-s600-finger-grip-P1002376.jpg\" data-attachment-id=\"11320\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-19-s600-finger-grip-P1002376\/3552397119.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-16-s600-handle-P1002370.jpg\" data-attachment-id=\"11317\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-16-s600-handle-P1002370\/1910422216.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-17-s600-handle-jimping-P1002372.jpg\" data-attachment-id=\"11318\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-17-s600-handle-jimping-P1002372\/3378000256.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-18-s600-handle-jimping-P1002374.jpg\" data-attachment-id=\"11319\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-18-s600-handle-jimping-P1002374\/421758747.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n<hr color=\"#333333\"><\/hr>\n<p><b>The Blade and Handle &#8211; Detailed Measurements:<\/b><br \/>\nFor full details of the tests and measurements carried out and an explanation of the results, see the page &#8211; <a href=\"https:\/\/tacticalreviews.co.uk\/?page_id=8150\" target=\"_blank\" rel=\"bookmark noopener\">Knife Technical Testing &#8211; How It&#8217;s Done<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters.jpg\" alt=\"\" width=\"1547\" height=\"1279\" class=\"aligncenter size-full wp-image-11296\" srcset=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters.jpg 1547w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters-300x248.jpg 300w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters-1024x847.jpg 1024w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters-768x635.jpg 768w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters-1536x1270.jpg 1536w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-parameters-600x496.jpg 600w\" sizes=\"auto, (max-width: 1547px) 100vw, 1547px\" \/><\/p>\n<hr color=\"#333333\"><\/hr>\n<p><b>Structural Edge Testing:<\/b><\/p>\n<p>Added in 2019 are results from the Edge On Up Structural Edge Tester (SET) to measure the resistance of a knife&#8217;s edge to rolling.<\/p>\n<p>The key factors for the SET results are:<br \/>\nSeries 1 Degradation &#8211; how much damage the edge suffers from one edge rolling cycle. The damage is represented by an increase in the BESS &#8216;C&#8217; score. (Averages also shown for A and B)<br \/>\nSeries 2 Degradation &#8211; how much damage the edge suffers from one further edge rolling cycle. (Averages also shown for A and B)<br \/>\nDegradation after strop &#8211; has the edge been permanently damaged\/chipped or can it be recovered with stropping? A negative number means it actually improved from the starting figure, suggesting there may have already been some rolling of the edge before testing. (Averages also shown for A and B)<\/p>\n<p>First a video of the testing process, then the table of results.<\/p>\n<div class=\"video-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/KQqPCzCXNzg?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<hr color=\"#333333\"><\/hr>\n<p>The following results do show a clear increased resistance to edge rolling for the S600 steel. In fact after two &#8216;series&#8217; the edge has rolled only a similar amount to the N690 blades have after one &#8216;series&#8217;. This is a clearly stronger and more stable edge apex.<br \/>\nOften this extra resistance to edge rolling can be coupled with a more brittle edge, yet the S600 recovered better than the N690 after stropping. (If it was brittle the edge can chip when stropping and give a high BESS measurement.)<br \/>\nIn this table, are the individual results for all three, plus a combined N690 set of totals at the bottom.<br \/>\nThe figures in bold in the first column are averages for the single measurements.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET.jpg\" alt=\"\" width=\"2508\" height=\"721\" class=\"aligncenter size-full wp-image-11297\" srcset=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET.jpg 2508w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-300x86.jpg 300w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-1024x294.jpg 1024w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-768x221.jpg 768w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-1536x442.jpg 1536w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-2048x589.jpg 2048w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-SET-600x172.jpg 600w\" sizes=\"auto, (max-width: 2508px) 100vw, 2508px\" \/><\/p>\n<hr color=\"#333333\"><\/hr>\n<p><b>The Factory edge up close &#8211; NEW FOR 2022!:<\/b><\/p>\n<p>Followers of Tactical Reviews will know my views on factory edges, but to recap:<\/p>\n<p>Anyone using a knife will need to sharpen it. That first factory edge is just like the first tank of fuel that a new car comes with (or first charge of the battery).<br \/>\nA good factory edge is a &#8216;nice to have&#8217; but not a &#8216;make or break&#8217; for a good knife, as you will be putting your own edge onto it soon enough.<br \/>\nThe factory edge does however indicate the care a knife maker has put into the final finish.<br \/>\nIt is for this reason Tactical Reviews measures factory edge sharpness and specifications, and includes this information in the detailed technical testing.<\/p>\n<p>As a further look at the factory edge, this section has been added to include some high magnification photos of the factory edges.<\/p>\n<p>In these galleries are each of the three versions with a before and after SET testing image. The edge rolling is just visible, but not easy to see.<\/p>\n<p>Black N690<br \/>\n<style type=\"text\/css\">\n#foogallery-gallery-11326 .fg-image { width: 150px; }\n#foogallery-gallery-11326 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11326\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-30-Black-edge-WIN_20211231_09_23_48_Pro.jpg\" data-attachment-id=\"11327\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-30-Black-edge-WIN_20211231_09_23_48_Pro\/2422192419.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-33-Black-edge-SET-WIN_20220205_15_27_59_Pro.jpg\" data-attachment-id=\"11328\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-33-Black-edge-SET-WIN_20220205_15_27_59_Pro\/379317100.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n<\/p>\n<hr color=\"#333333\"><\/hr>\n<p>Satin N690<br \/>\n<style type=\"text\/css\">\n#foogallery-gallery-11329 .fg-image { width: 150px; }\n#foogallery-gallery-11329 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11329\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-31-Satin-edge-WIN_20211231_09_33_30_Pro.jpg\" data-attachment-id=\"11330\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-31-Satin-edge-WIN_20211231_09_33_30_Pro\/631687219.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-34-Satin-edge-SET-WIN_20220205_15_34_29_Pro.jpg\" data-attachment-id=\"11331\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-34-Satin-edge-SET-WIN_20220205_15_34_29_Pro\/956817253.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n<\/p>\n<hr color=\"#333333\"><\/hr>\n<p>S600<br \/>\n<style type=\"text\/css\">\n#foogallery-gallery-11332 .fg-image { width: 150px; }\n#foogallery-gallery-11332 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11332\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-32-S600-edge-WIN_20211231_09_08_38_Pro.jpg\" data-attachment-id=\"11333\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-32-S600-edge-WIN_20211231_09_08_38_Pro\/594839205.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-35-S600-edge-SET-WIN_20220205_15_38_09_Pro.jpg\" data-attachment-id=\"11334\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-35-S600-edge-SET-WIN_20220205_15_38_09_Pro\/2813036701.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n<\/p>\n<hr color=\"#333333\"><\/hr>\n<p><b>What is it like to use?<\/b><\/p>\n<p>It&#8217;s just one of those superbly useful knives. An easy size to carry and use, or keep as a backup. The size of the knife is similar to a medium sized folder, but being a fixed blade makes it super tough and a real working blade.<br \/>\nHere I&#8217;m showing it in an un-gloved hand (a hand which takes XL size gloves). It is compact, and doesn&#8217;t fill my hand, but the finger groove provides a really secure grip with the jimping (especially the thumb jimping) giving confidence.<br \/>\n<style type=\"text\/css\">\n#foogallery-gallery-11321 .fg-image { width: 150px; }\n#foogallery-gallery-11321 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11321\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-20-in-hand-P1002377.jpg\" data-attachment-id=\"11322\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-20-in-hand-P1002377\/1750972457.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-21-in-hand-P1002378.jpg\" data-attachment-id=\"11323\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-21-in-hand-P1002378\/1187738191.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-22-in-hand-P1002380.jpg\" data-attachment-id=\"11324\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-22-in-hand-P1002380\/448392293.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-23-in-hand-P1002382.jpg\" data-attachment-id=\"11325\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-23-in-hand-P1002382\/2938778578.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n<\/p>\n<hr color=\"#333333\"><\/hr>\n<p>With it being a compact blade and one without handle scales, the knife is capable of much harder work than you can comfortably manage with the bare blade tang in your hand. This design keeps it very low profile and really does make carrying and storing as a backup so much easier than a knife with wider handle.<\/p>\n<p>Either in the pocket, or hanging around your neck the Satre is slim and unobtrusive. I can make this comment, not just based on one example but on all three &#8211; the Kydex action is spot on. The sloped shoulders of the sheath are just right to push on to release the knife, and the blade clicks out without a fight. This action is almost identical across all three and holds the blade securely without struggling to sheath or unsheathe it.<\/p>\n<p>As seen in the SET testing section and video, the S600 steel is noticeably tougher. As with any higher hardness and higher wear resistance steel, you will notice the S600 is much more difficult to sharpen, and will need a suitable sharpener. This always makes for a dilemma for field use for me. As much as I love a longer lasting edge, if I might need to rely on one knife and might need to sharpen it in the field I would want to be able to sharpen it more easily and if required with natural stones rather than specialist sharpening equipment. This is just a consideration, as for many the longevity of the edge it already has may be more important than being able to sharpen in the field.<\/p>\n<p>With a blade this thick (compared to its length) it doesn&#8217;t slice as well as a finer pocket knife blade would, but this blade is one you know won&#8217;t let you down if you need to work it hard. If you put one aside as an emergency backup blade, you know it is going to serve you well.<\/p>\n<style type=\"text\/css\">\n#foogallery-gallery-11339 .fg-image { width: 150px; }\n#foogallery-gallery-11339 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-foobox fg-center fg-default fg-ready fg-dark fg-border-thin fg-round-medium fg-loading-default fg-loaded-fade-in fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-11339\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-50-pocket-IMG_20220226_094206.jpg\" data-attachment-id=\"11340\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-50-pocket-IMG_20220226_094206\/3617477130.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-51-neck-IMG_20220226_094551.jpg\" data-attachment-id=\"11341\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-51-neck-IMG_20220226_094551\/739981712.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-52-S600-IMG_20220226_095004.jpg\" data-attachment-id=\"11342\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-52-S600-IMG_20220226_095004\/1820658665.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-53-S600-IMG_20220226_095509.jpg\" data-attachment-id=\"11343\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-53-S600-IMG_20220226_095509\/1415888772.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-55-satin-IMG_20220226_100224.jpg\" data-attachment-id=\"11345\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-55-satin-IMG_20220226_100224\/1497306153.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-54-in-branch-IMG_20220226_095838.jpg\" data-attachment-id=\"11344\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/cache\/2022\/02\/Extrema-Ratio-Satre-54-in-branch-IMG_20220226_095838\/2413635075.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22150%22%20viewBox%3D%220%200%20150%20150%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n<hr color=\"#333333\"><\/hr>\n<p><b>Review Summary<\/b><\/p>\n<p><i>The views expressed in this summary table are from the point of view of the reviewer\u2019s personal use. I am not a member of the armed forces and cannot comment on its use beyond a cutting tool or field\/hunting knife.<\/p>\n<p>Something that might be a \u2018pro\u2019 for one user can be a \u2018con\u2019 for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.<\/i><\/p>\n<p><b>_______________________________________________<br \/>\nWhat doesn&#8217;t work so well for me<br \/>\n_______________________________________________<\/b><br \/>\nPocket clip not supplied as standard.<br \/>\nBlade is relatively thick which affects slicing ability.<br \/>\nS600 steel much harder to sharpen (the cost of its higher hardness and wear resistance).<\/p>\n<p><b>_______________________________________________<br \/>\nThings I like<br \/>\n_______________________________________________<\/b><br \/>\nChoice of blade steels.<br \/>\nS600 steel edge is measurably more stable.<br \/>\nKydex sheath &#8216;action&#8217; excellent.<br \/>\nSlim and low profile making carry easy.<br \/>\nPocket or lanyard carry options.<br \/>\nVery secure grip.<br \/>\nSuper strong design.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385.jpg\" alt=\"\" width=\"800\" height=\"800\" class=\"aligncenter size-full wp-image-11295\" srcset=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385.jpg 800w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-300x300.jpg 300w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-150x150.jpg 150w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-768x768.jpg 768w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-365x365.jpg 365w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-500x500.jpg 500w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-600x600.jpg 600w, https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-24-all-three-P1002385-100x100.jpg 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<br \/>\n<b>Discussing the Review:<\/b><br \/>\nThe ideal place to discuss this review is on the Tactical Reviews Facebook Page <a href=\"https:\/\/www.facebook.com\/open.honest.reviews\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2017\/07\/FB-f-Logo__blue_50.png\" alt=\"\" border=\"0\" \/><\/a><br \/>\nPlease visit there and start\/join the conversation.<\/p>\n<p><i>As well as the Tactical Reviews Facebook Page, please consider visiting one of the following to start\/join in any discussion.<\/i><\/p>\n<p><b><a href=\"http:\/\/www.bladeforums.com\/index.php?forums\/knife-reviews-testing.718\/\" target=\"_blank\" rel=\"noopener\">BladeForums &#8211; Knife Reviews<\/a><\/b> (US based Forum for Knife Discussion)<\/b><\/p>\n<p><b><a href=\"http:\/\/www.candlepowerforums.com\/vb\/forumdisplay.php?181-Knife-Reviews\" target=\"_blank\" rel=\"noopener\">CandlePowerForums &#8211; Knife Reviews Section<\/a><\/b> (Largest and Friendliest Flashlight Community Forum)<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Extrema Ratio Satre is a pocket-sized, light and extremely tough fixed blade knife, designed in collaboration with Daniele Dal Canto, a Master Advanced F.I.S.S.S. instructor. In this special report review of the Extrema Ratio Satre, I am able to carry out a special set of tests to quantify the edge apex stability (resistance to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11292,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Knife Review: Extrema Ratio SATRE - Special Report\r\n@ExtremaRatioOfficial #satre #extremaratio #edc #everydaycarry #pocketcarry #cutlery #knifeaddict #knife #knifeporn #tacticalreviews #review #survival #knivesaretools #prepping #sharp","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[438,5],"tags":[66,20,244,8,189,502,12],"class_list":["post-11291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-homeslider","category-knife-review","tag-bushcraft","tag-edc","tag-extrema-ratio","tag-knife","tag-prepping","tag-satre","tag-survival"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Knife Review: Extrema Ratio SATRE - Special Report<\/title>\n<meta name=\"description\" content=\"This special report review of the Extrema Ratio Satre includes an overview and detailed measurement and photos, plus Structural Edge Testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tacticalreviews.co.uk\/?p=11291\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Knife Review: Extrema Ratio SATRE - Special Report\" \/>\n<meta property=\"og:description\" content=\"This special report review of the Extrema Ratio Satre includes an overview and detailed measurement and photos, plus Structural Edge Testing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tacticalreviews.co.uk\/?p=11291\" \/>\n<meta property=\"og:site_name\" content=\"TACTICAL REVIEWS\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-26T12:06:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-23T15:13:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/Extrema-Ratio-Satre-00-feature-P1002394.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Subwoofer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Subwoofer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tacticalreviews.co.uk\\\/?p=11291#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tacticalreviews.co.uk\\\/?p=11291\"},\"author\":{\"name\":\"Subwoofer\",\"@id\":\"https:\\\/\\\/tacticalreviews.co.uk\\\/#\\\/schema\\\/person\\\/50b1ef6ccf80fc887678a34d7acd67c5\"},\"headline\":\"Knife Review: Extrema Ratio SATRE &#8211; 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Join me in this Extrema Ratio Numen Review for all the details. Extrema Ration named this survival knife after the ancient Roman concept of numen, an invisible force\u2026","rel":"","context":"In &quot;HomeSlider&quot;","block_context":{"text":"HomeSlider","link":"https:\/\/tacticalreviews.co.uk\/?cat=438"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2026\/01\/ER-Numen-00-feature-P1013726.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2026\/01\/ER-Numen-00-feature-P1013726.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2026\/01\/ER-Numen-00-feature-P1013726.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2026\/01\/ER-Numen-00-feature-P1013726.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2026\/01\/ER-Numen-00-feature-P1013726.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":9816,"url":"https:\/\/tacticalreviews.co.uk\/?p=9816","url_meta":{"origin":11291,"position":1},"title":"First Look: Extrema Ratio Sethlans Knife","author":"Subwoofer","date":"15 October, 2020","format":false,"excerpt":"This is a first look at the just launched Extrema Ratio Sethlans knife. This knife is designed to be used for bushcraft, survival, and as a backup blade, so is also ideally suited for prepping. But you are going to want to use this, not just leave it sitting by\u2026","rel":"","context":"In &quot;Featured&quot;","block_context":{"text":"Featured","link":"https:\/\/tacticalreviews.co.uk\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2020\/10\/Sethlans-00-feature-P1000204.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2020\/10\/Sethlans-00-feature-P1000204.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2020\/10\/Sethlans-00-feature-P1000204.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2020\/10\/Sethlans-00-feature-P1000204.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":11154,"url":"https:\/\/tacticalreviews.co.uk\/?p=11154","url_meta":{"origin":11291,"position":2},"title":"Knife Review: Extrema Ratio Panthera","author":"Subwoofer","date":"12 February, 2022","format":false,"excerpt":"The Extrema Ratio Panthera is a further development of their T-Razor (that was based on the traditional straight razor) and maintains all the characteristics of the T-Razor, but with a new wharncliffe blade shape and curving claw-like appearance. In this Extrema Ratio Panthera review, I cover all the technical specifications,\u2026","rel":"","context":"In &quot;HomeSlider&quot;","block_context":{"text":"HomeSlider","link":"https:\/\/tacticalreviews.co.uk\/?cat=438"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2022\/02\/ER-Panthera-00-feature-P1040035-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14599,"url":"https:\/\/tacticalreviews.co.uk\/?p=14599","url_meta":{"origin":11291,"position":3},"title":"Knife Review: Extrema Ratio AMF (A.M.F.)","author":"Subwoofer","date":"13 February, 2025","format":false,"excerpt":"Extrema Ratio AMF (Advanced Multi Function) a Detailed Review. My heart skipped a beat when I first saw Extrema Ratio's A.M.F. in an exhibition cabinet. Yes, it is a big knife, but it is because its design is inspired by a legendary classic of survival cutlery from the 1980s; and\u2026","rel":"","context":"In &quot;HomeSlider&quot;","block_context":{"text":"HomeSlider","link":"https:\/\/tacticalreviews.co.uk\/?cat=438"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2025\/02\/ExtremaRatio-AMF-00-feature-P1009489.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2025\/02\/ExtremaRatio-AMF-00-feature-P1009489.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2025\/02\/ExtremaRatio-AMF-00-feature-P1009489.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2025\/02\/ExtremaRatio-AMF-00-feature-P1009489.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2025\/02\/ExtremaRatio-AMF-00-feature-P1009489.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":13122,"url":"https:\/\/tacticalreviews.co.uk\/?p=13122","url_meta":{"origin":11291,"position":4},"title":"Knife Review: Extrema Ratio FRAME ROCK XXV Anniversarium","author":"Subwoofer","date":"31 March, 2024","format":false,"excerpt":"Extrema Ratio have been celebrating their 25th Anniversary in style with a number of limited runs of new and old models. In this review we are looking at the XXV Anniversarium Limited Edition of the overbuilt folder, the FRAME ROCK. If you do miss out on the limited edition, most\u2026","rel":"","context":"In &quot;HomeSlider&quot;","block_context":{"text":"HomeSlider","link":"https:\/\/tacticalreviews.co.uk\/?cat=438"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2024\/03\/ER-Framerock-00-feature-IMG20240203203322.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2024\/03\/ER-Framerock-00-feature-IMG20240203203322.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2024\/03\/ER-Framerock-00-feature-IMG20240203203322.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2024\/03\/ER-Framerock-00-feature-IMG20240203203322.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2024\/03\/ER-Framerock-00-feature-IMG20240203203322.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":12168,"url":"https:\/\/tacticalreviews.co.uk\/?p=12168","url_meta":{"origin":11291,"position":5},"title":"Knife Review: Extrema Ratio K-TALON","author":"Subwoofer","date":"12 July, 2023","format":false,"excerpt":"Extrema Ratio's K-TALON is an elegant, super-slim karambit knife with a fixed, hooked hawksbill blade and grip-ring. K-TALON comes in two versions of blade finish, Dark Stone and Stone Washed, both shown in this review and the video. This review of the Extrema Ratio K-TALON includes an in depth video\u2026","rel":"","context":"In &quot;HomeSlider&quot;","block_context":{"text":"HomeSlider","link":"https:\/\/tacticalreviews.co.uk\/?cat=438"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2023\/07\/ER-K-talon-00-feature-IMG20220903152345.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2023\/07\/ER-K-talon-00-feature-IMG20220903152345.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2023\/07\/ER-K-talon-00-feature-IMG20220903152345.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2023\/07\/ER-K-talon-00-feature-IMG20220903152345.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/tacticalreviews.co.uk\/wp\/wp-content\/uploads\/2023\/07\/ER-K-talon-00-feature-IMG20220903152345.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/11291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11291"}],"version-history":[{"count":7,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/11291\/revisions"}],"predecessor-version":[{"id":11348,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/11291\/revisions\/11348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=\/wp\/v2\/media\/11292"}],"wp:attachment":[{"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tacticalreviews.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}