Knife Review: lionSTEEL Thrill

I could not wait to get hold of a lionSTEEL Thrill when I saw it. It’s a slip-joint, and that is part of the attraction, as in the UK, for EDC-legal carry, it has to be non-locking – but there is so much more. The handle and spring are machined from a single solid piece of titanium, it has IKBS pivot bearings, a M390 blade and the stealth ‘hideaway’ pocket clip, making it a fully loaded package. Join me in this review of the lionSTEEL Thrill, a slip-joint pocket knife.

What’s in the box?:
Very well presented packaging.

A good look round the lionSTEEL Thrill – Things to look out for here are:
This gallery has a lot to look at (and we take a closer look at the pocket clip separately): the quality of machining and detailing of the solid handle, the steel ‘spring liner’ protecting the titanium spring from the blade tang, fit and finish of the fixings, and machining of the blade.

H.WAYL pocket clip:
The Thrill uses lionSTEEL’s ‘Hide What Annoys You’ H.WAYL clip system that allows the pocket clip to sit flush with the rest of the handle, instead of sticking out and sticking into your hand when using the knife. When hidden, you press the button to open the clip and allow it to slip over your pocket.

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.

Torque testing:

What is it like to use?
There was one thing I just had to include here, which is the sound of the Thrill opening and closing. The combination of the titanium body and steel spring liner gives it a kind of ‘sheeesh sheeesh’ sound I’ve not heard on any other knife. Well here it is, I love it…

That action feels great with the pivot bearings making the motion super slick, yet the spring strength makes the blade feels secure. A half-stop lets you change grip as you open it all the way, keeping control of the blade.

With the H.WAYL clip system, you can completely forget this knife has a pocket clip. Personally I would not want to trust this clip for two reasons; firstly, the clip’s ‘spring’ pressure is provided by the button spring, and this is not very strong (or you would struggle to open it), and secondly, the underside of the clip is straight and smooth, so has no ‘bump’ or texture to resist sliding off a pocket edge (in fact it gets easier to pull off the further up it moves, without that final clinch).

Because of this, and the lack of lanyard attachment, I have taken to carrying this in a belt pouch (as in the gallery below) which has proven to work very well.

My nails are not very strong, so I don’t like to open stiff blades using a nail-nick; there is, however, enough blade accessible when the Thrill is closed to allow me to pinch grip the blade to open it, so it has been completely comfortable to use.

Blade shape and geometry has proven itself time and again. A full flat grind combined with a blade that is not too thick and not too thin, means it cuts really well. The point of the blade punctures eagerly, helped by the narrow point-angle and swedge. (Of course you must always be careful and utilise correct technique when using the point of a slip-joint, as if you get it wrong you can make the blade close on your fingers.)

Being a slip-joint provides you with a freedom to carry the knife that far outweighs any limitations of not having a locking blade.

The Thrill has been my EDC for a good time now and takes all those daily duties in its stride while leaving you with the feeling it IS something special.

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.

I’m starting with what doesn’t work so well, so I can finish on a more positive note

What doesn’t work so well for me

Weak pocket clip.
No Lanyard hole.

Things I like

Lovely action.
Slip-Joint (UK EDC legal).
Firm back-spring pressure.
Versatile blade shape.
Possible to pinch grip the blade to open.
M390 blade steel.
Superb fit and finish.
Single-piece solid handle.
Hideaway pocket clip.

Discussing the Review:
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First Look: Extrema Ratio Sethlans Knife

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 ‘just in case’.

The ‘First Look’ Video:

What’s in the box?:

Explained by the Maker:
The reasons for certain design choices may not be clear when simply looking at an object, so this section is intended to give an insight into the thinking behind a design by speaking to the designer themselves.
Quoted directly from Extrema Ratio –
““EXTREMA RATIO SETHLANS” a fixed blade work knife born to face a wide range of situations, suitable for survival, bushcraft, prepping, but also as a backup blade.

SETHLANS was designed in collaboration with Daniele Dal Canto, Master Advanced F.I.S.S.S. instructor (Italian Federation of Sports and Experimental Survival).

SETHLANS is available in two different versions with two different kinds of steel.

The stone washed version is produced with böhler N690 heat treated at 58 HRC, chosen for the reliability it has demonstrated over the last 20 years due to its resistance to oxidation and durability of the edge.

The black version is produced in D2 steel, heat and cryogenically treated at 60 HRC, which presents an high resharpening capacity even with makeshift tools. In order to give greater qualities of hardness and resistance, the blade is coated with the new Teflon-based product “EXP DARK”, proposed by Extrema Ratio.

The knife comes with G10 grips that feature the ergonomic design characteristic of Extrema Ratio handles. They can be removed by releasing the skeletonized structure of the knife, that allows maximum lightness with minimum thickness. For lovers of extreme customization, the full-tang structure allows the handle to be covered with a paracord cord.

The sheath is composed of a part in very light and minimalist Kydex. It can be disassembled and can be adapted for both left and right handed users. The addition of an optional belt clip allows the knife to be positioned both vertically and horizontally and makes the sheath much more versatile than the textile version. It is also equipped with a mini pouch with M.O.L.L.E. system. containing a two-sided stone for sharpening and a Firesteel for lighting fires”.

Type: Fixed blade
Use: Survival
Blade Length: 107 mm (4.21”)
Overall Length: 224 mm (8.82”)
Blade Thickness: 6.3 mm (0,25”)
Main Grid: Flat
Weight: 207 g (7,30 oz)
Blade Material Sethlans Stone Washed: Böhler N690 (58HRC) steel
Blade Finishing Sethlans Stone Washed: Stone Washed
Blade Material Sethlans Black D2: D2 (60HRC) steel
Blade Finishing Sethlans Black D2: EXP DARK
Handle Material: G10

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Light Review: Fenix TK30 White Laser LEP

LEP, what is LEP? Laser Excited Phosphor, the new super thrower with a highly focused beam; and I was certainly excited to try out the Fenix (see MyFenix in the UK) TK30 White LEP light. I first came across the concept of LEP to be used as a long range tactical scope illuminator for snipers, and there is no doubt this is a highly specialised type of light. For long range scope illumination it is outstanding, and for the general lighting enthusiast it is a lightsaber, with near laser beam like projection.

First up is a video which covers the basics of a look round the TK30 and some outdoor video to show the incredible beam. This page has a lot more detail including the measured output figures, runtime graph and photos of the beam.

What is in the box?:

A good look round the TK30 – Things to look out for here are:
The TK30 comes with an excellent belt holster, and a 21700 cell that has a built-in USB-C charging port (in the cell, not the TK30).

The beam

Please be careful not to judge tint based on images you see on a computer screen. Unless properly calibrated, the screen itself will change the perceived tint.

The indoor beamshot is intended to give an idea of the beam shape/quality rather than tint. All beamshots are taken using daylight white balance. The woodwork (stairs and skirting) are painted Farrow & Ball “Off-White”, and the walls are a light sandy colour called ‘String’ again by Farrow & Ball. I don’t actually have a ‘white wall’ in the house to use for this, and my wife won’t have one!

Yes, this really is the beam, not a mistake. There is a small bright spot with all 500lm (422lm measured) in it.

Batteries and output:

The runs on the included 5000mAh 21700 cell.

Please note, all quoted lumen figures are from a DIY integrating sphere, and according to ANSI standards. Although every effort is made to give as accurate a result as possible, they should be taken as an estimate only. The results can be used to compare outputs in this review and others I have published.

Peak Beam intensity measured 469000lx @1m giving a beam range of 1370m!!!

In this gallery are measurements of the built-in USB-C charging for the 5000mAh cell, and the runtime graph (with active cooling).


This section is included to mention any minor niggles I come across during testing, in case the information helps anyone else.

It was noted that when the low battery warning is shown with the flashing indicator in the side switch, this makes the main beam output flicker. More on this is included in the ‘in use’ section below.

As per the description of this section, this information is provided in case anyone else finds a similar ‘issue’ that might be fixed in the same way.

The TK30 in use
Let’s first just get the minor quibble out of the way with the output that starts to flicker when the low battery warning comes on. It is shown in the marked copy of the runtime graph and only affects the very last part of the run. I personally take this as a point of the output being so near the end and not able to maintain the full output, that I would want to recharge the battery anyway at this point.

In some ways, the visible beam flickering is only further indication the battery is too low, so is not a problem so much as a ‘feature’. Moving on…

So the operation of the TK30 is just fine, a tail-switch, and a side switch for the mode. Easy and straightforward to use.

Although the high beam output is only in the region of 500lm, I would say that the heat generated and felt at the head of the TK30 is more than I would expect for a 500lm light. But this is no ordinary 500lm light. Inside the head is a UV Laser module that is then illuminating a phosphor surface to produce the beam, so overall it is not as efficient as a typical LED emitter and so generates more heat.

Swapping from the included 21700 cell to an 18650 (with adapter), the runtime is much less, and the lower efficiency of LEP to LED becomes even more obvious. A trade off in efficiency in exchange for a beam unlike any other.

Just take a look through this gallery. (I have used the Moon to cheat with a couple of these, it’s not quite that amazing.)

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 that covered in the review.

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

Not really a ‘con’, but a warning – this is a specialist light and is not suitable for general use due to the tiny hotspot and no spill.
Shorter runtime compared to an LED light.

Things I like

Super focused beam with 1370m throw!
LEP – Laser Excited Phosphor.
USB-C rechargeable 21700 cell and cable included.
Very good belt holster.
It’s just superb fun to have a lightsaber / white laser.

Discussing the Review:
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