Tag: folder

Knife Review: Viper TURN

11 February, 2025

Viper TURN a Detailed Review – The TURN is a folding knife designed by Fabrizio Silvestrelli, blending tradition, practicality and modern construction techniques. We’ll also be seeing how, in this Viper TURN Review how distinctively ‘Viper’ this knife is. The TURN’s blade is Böhler M390 steel and described by Viper as having ‘a bold counter-bevel’ on the satin finish blade. A double stepped-cone thumb-stud allows easy opening with either hand. Unusually for a back-lock, TURN uses ball bearings for the pivot to ensure a smooth and fluid rotation of the blade. This Viper TURN review features the Essential G10 version that includes a deep-carry titanium pocket clip.

What’s in the box?:
Or should that be ‘Where is the box?’. As mentioned in the video, this was a display knife at IWA 2024 so is being reviewed without any of the normal packaging. So here it is in a bag, and not in a bag!

A good look round the closed TURN – Things to look out for here are:

Being the ‘Essential’ model, there are no bolsters, instead the handle material covers the entire side of the knife. Around the pivot bolt is an extra washer detail. A singe position deep-carry titanium pocket clip is fitted in a tip-up right-handed location. The polished lock bar has grip grooves on the release ‘button’ and thumb grip jimping at the other end. Full length stainless steel liners provide the main structure. A pair of stepped-cone thumb-studs make the blade opening ambidextrous.

A good look round the open TURN – Things to look out for here are:

Swinging open that gloriously wide blade, and as we open it you see the lock bar action in operation. Thumb grip jimping spans the lock / blade contact point forming the clean ‘H’. Very stylish contouring of the G10 handles creates a grip shaping your fingers will settle into. That ‘bold counter-bevel’ is something I would describe as an elongated harpoon style swedge, and bold it certainly is.

The Blade and Handle – Detailed Measurements:
For full details of the tests and measurements carried out and an explanation of the results, see the page – Knife Technical Testing – How It’s Done.

The blade is made from M390 steel.

The Factory edge up close:

Followers of Tactical Reviews will know my views on factory edges, but to recap:

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).
A good factory edge is a ‘nice to have’ but not a ‘make or break’ for a good knife, as you will be putting your own edge onto it soon enough.
The factory edge does however indicate the care a knife maker has put into the final finish.
It is for this reason Tactical Reviews measures factory edge sharpness and specifications, and includes this information in the detailed technical testing.

As a further look at the factory edge, this section has been added to include some high magnification photos of the factory edges.

What is it like to use?

Viper describe the blade as having ‘high bevels’, and indeed it does, in fact verging on the full-flat grind apart from that bold swedge. It is an excellent blade geometry for eager slicing and the TURN is indeed a very efficient cutter.
I’d classify it as a mid-sized folder, large enough for most ever day jobs, and small enough to be easy to carry.
Viper’s stepped-cone thumb-stud has drawn blood on previous occasions on other knives, and could easily do so again. They are a bit on the sharp side and it is when I’ve had hardened skin on my thumb (from too much knife opening) that the cone shape has punctured/cracked this skin and I’ve ended up bleeding over the knife. Grippy these thumb-studs are, but also high pressure.

This might be the ‘Essential’ version of the TURN, but it is still lovely to look at. The blend of a traditional back-lock folder layout with a modern, efficient, cutting blade profile, using high performance materials and features that increase its usability is spot-on.
Viper’s signature polished spacer and lock bar contrast with the bead blast liners and black G10, giving the TURN a distinctive and stand-out look.
If I had to pick one position for the pocket clip, it is exactly where Viper have positioned it. Tip-up, right-handed; it is going to be best for the majority, and for the left-handed it only needs one small adjustment before opening.
The near-full-flat grind makes the TURN a fantastic slicer, and with great control too. The relatively wide blade adds to stability during cutting, so it is a real pleasure to use.

Review Summary – Viper TURN Review

The views expressed in this summary table are from the point of view of the reviewer’s 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.

Something that might be a ‘pro’ for one user can be a ‘con’ for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.

_______________________________________________
What doesn’t work so well for me
_______________________________________________
Thumb-stud a bit ‘sharp’.
Single position clip.
Potential hot-spots on the grip.

_______________________________________________
Things I like
_______________________________________________
Excellent fit and finish.
M390 blade steel.
Classic Back-Lock.
Super-smooth blade action.
Ambidextrous opening.
Powerful slicing geometry.
Deep-carry pocket clip.
Premium satin blade finish.
Refined style.

Review Videos

Starting with a short format sixty second review:

Onto a full video review covering many more details:

 
Discussing the Review:
Something new – will it work? A Tactical Reviews Subreddit.
TacticalReviewsChat on Reddit
Please visit there and start/join the conversation.

Knife Review: Spyderco Military 2

6 February, 2025

Spyderco’s Military 2 – The 2024 Update of a Classic. The original Spyderco Military Model was designed in 1996, and is a tried and tested knife, proven to be a robust and reliable tool. Building on the strengths of the original design, the Military 2 is refined and updated, bringing in improvements where they make a real difference. Larger stainless steel liners give the knife increased structural strength and also allow the addition of four pocket clip fixing positions. A major switch has been made away from a liner lock and to the signature Spyderco Compression Lock improving safety and handling. Join me in this detailed review of the Spyderco Military 2.

Is the ‘New and Improved’ Spyderco Military 2 actually an improvement? Read on to find out.

What’s in the box?:
This Military 2 comes in the familiar Spyderco box. Included with the knife is a sticker and a leaflet about the exact model of knife.

A good look round the closed Military 2 – Things to look out for here are:

Some of the more obvious updates are easy to spot straight away. The extra pocket clip fitting positions, and compression lock on the back of the handle. Notably missing is the liner lock handle cut-out that normally affects the grip, as the Military 2 now uses a different lock. There is no longer a hole in the clip mount to access the pivot bolt; should you continue to use the clip in a tip-down position, you may need to take it off to adjust the pivot. Next to the compression lock lever, the liners include some thumb grip jimping. Having a choice of all four pocket clip positions is a massive improvement, as clip position is quite a personal choice, and depending if you pocket carry or put onto webbing, you might want to swap this around from time to time. Phosphor-bronze washers; my favourite for stability and reliability.

A good look round the open Military 2 – Things to look out for here are:

Opening up the blade to reveal that long, eager edge. This is a Large folder, no mistaking that. Now we have the blade open you can see the compression lock engaged in the locked position. Thanks to the change of lock, the handle shape can be optimised for grip instead of incorporating the liner lock cut out, so we have improved first-finger grip shaping. Large blade – Large opening hole.

Explained by the Maker:
Spyderco describe the Military 2 as follows.

Designed by Spyderco co-founder Sal Glesser as the perfect knife for forward-deployed military personnel, the original Military Model is one of the cutlery industry’s most iconic designs. More than 25 years after its original release, the eagerly anticipated Military 2 builds on that hard-earned reputation while incorporating several significant design improvements. Instead of a LinerLock, the Military 2’s full-flat ground CPM® S30V® blade is supported by Spyderco’s signature Compression Lock® mechanism, which offers greater strength and even safer one-handed operation. The stainless steel liners that form the foundation of the lock are larger, giving the knife increased structural strength and anchoring its four-position pocket clip, which is configurable for left or right-side, tip-up or tip-down carry. The skeletonized liners are nested within peel-ply-textured G-10 scales to maintain a slim profile and complement its open-backed construction to reduce the knife’s overall weight. A proud successor to a legendary design, the Military 2 is ready to serve.

The Blade and Handle – Detailed Measurements:
For full details of the tests and measurements carried out and an explanation of the results, see the page – Knife Technical Testing – How It’s Done.

The blade is made from S30V steel.

The Factory edge up close:

Followers of Tactical Reviews will know my views on factory edges, but to recap:

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).
A good factory edge is a ‘nice to have’ but not a ‘make or break’ for a good knife, as you will be putting your own edge onto it soon enough.
The factory edge does however indicate the care a knife maker has put into the final finish.
It is for this reason Tactical Reviews measures factory edge sharpness and specifications, and includes this information in the detailed technical testing.

As a further look at the factory edge, this section has been added to include some high magnification photos of the factory edges.

Spyderco’s factory edges are reliably excellent.

What is it like to use?

We all know what ‘New and Improved’ typically means for our favourite products…it normally means ‘cheaper to manufacture and worse’. Typically.

What about the Military 2, what have Spyderco done to our beloved Military? Well, they have, in fact, made it better. This is not to say the original Military, if Spyderco continue to make the classic, no longer has a place; it is still the classic liner lock it always was. If you pick up the Military and swap to the Military 2 and back, fundamentally they are the same with a long pointy blade, long handle, and powerful cutting ability. Instead it is in the more subtle refinements that the Military 2 shows it improvements, those small differences in regular actions and handling that start to shine through.

General handling makes a couple of those updates all the more apparent. The forward choked-up position now has the proper first finger shaping and grip; it just fits and sits better. Open and close, open and close, and the ease the Compression lock brings also shines through. One-handed closing becoming a breeze with the lock released, and the blade falling closed under its own weight, made safer as you do not need to put your hand in the blade’s path to unlock it.

I absolutely love a big folder, and the Military 2 just wanted to get to work, so who am I to stand in the way! The blade reach is excellent, making all the jobs I deployed it for quick and easy. Over and over those two biggest changes, the lock and improved grip shape making the knife itself almost disappear and the jobs complete themselves. For me the Tip-Up clip position and right-handed side means that as I draw the knife out of my pocket, the handle is already in the right orientation and my thumb finds the opening hole immediately, so I have swapped the clip over to this location from the factory position.
Though it is a heavy duty knife, the fineness of the blade has always made me wonder a little. Personally I’ve never had a Spyderco full-flat blade (or any other) fail on me in use, but it is just with the Military 2, the blade is very long. For part of the testing I decided to baton it through pallet wood cross-grain, cutting not splitting. That slicey blade shape just falls through the boards, and comes back out as easily. No gentle tap here, I was full swing pounding on it, and no concerns at all. Obviously it is easy to actually abuse a blade, and I was not trying to do this, but instead just work it hard. It took all this in its stride.

Is the Military 2 true to the original Military model? – Yes.
Is the Military 2 an improvement over the original Military model? – I certainly say Yes.

Review Summary

The views expressed in this summary table are from the point of view of the reviewer’s 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.

Something that might be a ‘pro’ for one user can be a ‘con’ for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.

_______________________________________________
What doesn’t work so well for me
_______________________________________________
No sharpening choil.
The peeled G10 is very abrasive to your pocket.
It makes me want all the different versions of the Military 2.

_______________________________________________
Things I like
_______________________________________________
Compression lock.
It is a Large folder.
Very slicey and pointy blade.
Improved grip shaping over its predecessor.
Phosphor-bronze pivot washers.
Four-position pocket clip.
Full length steel liners.
Excellent factory edge.
‘New and Improved’ – Yes it is.

Review Videos

Starting with a short format sixty second review:

Onto a full video review covering many more details:

 
Discussing the Review:
Something new – will it work? A Tactical Reviews Subreddit.
TacticalReviewsChat on Reddit
Please visit there and start/join the conversation.

Knife Review: Viper Twin

4 January, 2025

In this Viper Twin review we will be taking a detailed look at this new knife. The Twin is a small and elegant slipjoint gentleman’s pocket knife, especially suitable for every day use. It was designed by Fabrizio Silvestrelli who has been collaborating with Viper for years in the development of new knives.

Each of the Twin’s handles are made from one piece of titanium formed into the body, liner and bolsters, making it very strong, and it is offered with a choice of different colours of scale inserts. You can choose from Dark Matter Gold carbon fiber and the ivory G10 or as shown here, the green Canvas micarta. The Twin also comes with a leather slip case.

The blade is made from M390 stainless steel, an excellent combination of edge retention and corrosion resistance. It is non-locking slipjoint design, and the cutting edge is under three inches long making the knife friendly carry in many places.

What’s in the box?:
This is more of a ‘what would have been in the box’ as I don’t have the box. This knife was a display piece at IWA 2024, so you may see a few marks that would not be there on a new knife, and I have only the slip case and knife.

A good look round the Twin – Things to look out for here are:

This gallery is quite a large one, covering all the main aspects of the Twin. Starting with a detail of the pivot bolt in the integral bolster, moving to the other end of the handle with rear integral bolster and lanyard hole. The spacer/back-spring of the Twin is polished making for a stand out feature next to the matt titanium. The fit of the handle scale, and the one-piece construction of each titanium handle can be seen. My personal preference of phosphor-bronze washers are used for the blade pivot.
Swinging out the blade, initially to the half stop. A drop-point with long swedge gives this a powerful look. Focusing in on a few smaller details on the M390 blade, and into the handle. The final image is of the blade tip with factory edge.

The Blade and Handle – Detailed Measurements:
For full details of the tests and measurements carried out and an explanation of the results, see the page – Knife Technical Testing – How It’s Done.

The blade is made from M390 steel.

Being a slipjoint, the blade’s resistance to opening and closing is a key feature. One of the Tactical Review’s tests is to measure the torque required to open and close the blade, and in here including the half stop. This is done using a force meter and applying it to the blade at a set distance from the pivot.

The final measurements are as follows. A crucial factor you can see in these results is that the closing force is significantly higher than the opening force, making the blade stable during use even though it is non-locking.

The Factory edge up close:

Followers of Tactical Reviews will know my views on factory edges, but to recap:

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).
A good factory edge is a ‘nice to have’ but not a ‘make or break’ for a good knife, as you will be putting your own edge onto it soon enough.
The factory edge does however indicate the care a knife maker has put into the final finish.
It is for this reason Tactical Reviews measures factory edge sharpness and specifications, and includes this information in the detailed technical testing.

As a further look at the factory edge, this section has been added to include some high magnification photos of the factory edges.

There are a few more images than I normally include as I found this knife, despite being a show knife, still had some burrs from the factory sharpening. A quick strop would remove them quickly and this edge was very good, so this is out of interest more than anything else.

What is it like to use?

As a non-locking knife I’m able to properly EDC it, and have been carried this knife for a considerable time. My nails don’t like nail nicks, and I always pinch-open the blade of the Twin, which is reassuringly firm in its action. The size is both easy to carry but also substantial enough you don’t feel it is lacking, certainly not for typical EDC use. The wide flat ground blade makes light work of various jobs and slices well.
This gallery shows it in my XL glove-size hands.
In the last two images in this gallery (one of which is included full size at the end of the review) you can just make out the modification I have made, which for me completes the Twin, and that is adding a sharpening choil. I find that small point detail incredibly useful when I’m doing certain cuts so I’ll often add this feature if it isn’t there.

You might have noticed the review ‘feature image’ makes the blade appear very dark, and then in the review introduction, another similar image with the blade full of light. And just below here is another version somewhere between. Of course the blade is very reflective and the changing light gives very different character to the blade. Though the feature image is absolutely real, it is not really representative of how you see the Twin most of the time, it was however striking and interesting looking, so I put it as the headline feature image for that reason.

With the minor modification I made (adding the sharpening choil), the Twin is a firm favourite of mine and will be difficult to displace from my daily EDC.

Review Summary

The views expressed in this summary table are from the point of view of the reviewer’s 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.

Something that might be a ‘pro’ for one user can be a ‘con’ for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.

_______________________________________________
What doesn’t work so well for me
_______________________________________________
No sharpening choil (but I added one).

_______________________________________________
Things I like
_______________________________________________
Reassuringly firm blade retention torque.
Stable construction.
Polished back-spring detail stands out.
M390 steel giving excellent edge retention.
Slim and easy to carry.
Strong wide blade.
Leather slip case included.

Review Videos

Starting with a short format sixty second review:

Onto a full video review covering many more details:

 
Discussing the Review:
Something new – will it work? A Tactical Reviews Subreddit.
TacticalReviewsChat on Reddit
Please visit there and start/join the conversation.

Knife Review: Extrema Ratio FRAME ROCK XXV Anniversarium

31 March, 2024

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 of the content here is perfectly valid for the standard FRAME ROCK, so limited or standard, you can get one of these ROCK solid folders.

This review of the Extrema Ratio FRAME ROCK includes an in depth video with overview and detailed measurements, plus image galleries and more.

Review Videos

Starting with a short format sixty second review:

Onto a full video review covering many more details:

What’s in the box?:
Included with the Anniversarium Limited Edition, is a special numbered presentation case and Anniversarium challenge coin. In this section, instead of unboxing we are looking at that special presentation case.

The Anniversary Coin:
Before we move on, here are both sides of the Anniversarium challenge coin.

A REALLY good look round the FRAME ROCK – Things to look out for here are:
Unprecedented in size, this gallery contains more photos of details than ever before, to take in as much of this special edition as possible.
Folded or not, the FRAME ROCK is unmistakably Extrema Ratio with its grip pattern. The FRAME ROCK has presence even though it is relatively compact. On the plain head of the pivot bolt there is an engraving of the anniversary logo with a further XXV Anniversarium engraving just above this. Immediately you can see the 6mm thick blade stock with heavy jimping. An integral lock, the FRAME ROCK has a steel insert on the end of the lock bar to increase lock life and it can be replaced if needed.
Extrema Ratio folders use a pivot bolt with locking screw that prevents loosening. Unusually, the deep carry clip wraps completely over the end of the handle, fixed onto the opposite side’s handle. As it wraps over it has a slot to allow the glass breaker to protrude through the clip (this can be fitted on the opposite side).
Waisted spacers hold the handles in place, and give the FRAME ROCK its open back layout.
As the glass breaker is fixed in the solid handle (not the lock bar side), to accommodate this, should you swap the clip side, there is an extra slot in the clip.
Looking right into the pivot, what is visible are the ball bearing cups for the pivot bearings that give the blade a smooth action.

The Blade and Handle – Detailed Measurements:
For full details of the tests and measurements carried out and an explanation of the results, see the page – Knife Technical Testing – How It’s Done.

The blade is made from N690 steel.

The Factory edge up close:

Followers of Tactical Reviews will know my views on factory edges, but to recap:

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).
A good factory edge is a ‘nice to have’ but not a ‘make or break’ for a good knife, as you will be putting your own edge onto it soon enough.
The factory edge does however indicate the care a knife maker has put into the final finish.
It is for this reason Tactical Reviews measures factory edge sharpness and specifications, and includes this information in the detailed technical testing.

As a further look at the factory edge, this section has been added to include some high magnification photos of the factory edges.

What is it like to use?

A compact, heavyweight, overbuilt knife, it almost seems a contradiction, but the compact size actually allows for a relatively light weight for such a robust knife.
Featuring a beautiful spearpoint blade with fuller, using the same blade shape as the Contact and Contact C fixed blade models. The blade shape adds to the unique look the FRAME ROCK brings.
The more you handle it, the more you understand the allure of the unusual robustness for a knife of this size. Typically, overbuilt folders are much larger, but the FRAME ROCK fits within the hand, while having an incredible solidity – hugely satisfying.
Somehow it also belies belief that such a wide spearpoint could fit into the handle, looking all the more impressive as you swing it open.

For larger hands, the compact handle does mean the clip tends to dig in if you are working the FRAME ROCK hard, and in the left hand, the glass breaker can dig into your hand when taking a tight grip. But trade this off against the overbuilt strength you are carrying, a blade that will take on heavy tasks and not break a sweat.

Review Summary

The views expressed in this summary table are from the point of view of the reviewer’s 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.

Something that might be a ‘pro’ for one user can be a ‘con’ for another, so the comments are categorised based on my requirements. You should consider all points and if they could be beneficial to you.

_______________________________________________
What doesn’t work so well for me
_______________________________________________
Glass breaker digs into hand when used left-handed.
Thick blade reduces slicing ability.

_______________________________________________
Things I like
_______________________________________________
Incredible robustness for its size.
Stunning spearpoint blade with fuller.
Deep-carry ambidextrous clip.
Replaceable steel lock bar insert.
Pivot-bolt locking-screw to prevent loosening.
Smooth ball-bearing blade pivot.
Thick Titanium frame.
Special numbered presentation case.
Anniversarium challenge coin.

 
Discussing the Review:
Something new – will it work? A Tactical Reviews Subreddit.
TacticalReviewsChat on Reddit
Please visit there and start/join the conversation.