NK Tactical Knives U.S.A.
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TSF (three sisters forge) Super beast 4" Folder

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The other guy's just got a knife.
A production knife is a product that may mean something to the maker but what does it mean to the person wielding it? Knives are not always about features, sometimes what's more important is the connection you have with it. Just like that retro video game or that classic vintage car, there is a certain quality that is hard to explain with words. TSF's Super Beast is made by a one man show in Oregon with one hand. Dr. Jim lost the use of one hand & left his practice to start a new life. The culmination of His childhood experience with forging & metallurgy combined with family history with WWII brought on the creation of Three Sisters Forge. Roughly 60% of TSF's orders go towards Mil & LEO.
There is a lot you don't realize about this design.
The super beast was created based on input received from LE & Military folks with specs & testing done. The screws are the largest torques available & are all hardened. The blade is 5mm thick with CPM 154CM blade steel chosen for it's corrosion resistance & triple heat treated which is the absolute best quality & time consuming heat treating around.


serious knife with no play

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Going the distance

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All the hardware is the largest size torque screw available to Jim. The blade is CPM 154cm that's been triple heated & tempered which if you research articles about his knives edge retention is outstanding. He chose CPM154cm because of it's better corrosion resistance. The lock bar face is also carbidized with Tungsten ( a tool steel) which makes the lock bar not wear out quickly or jam.

Tool Steel on Lockbar surface

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Watch the video to see a unique feature of refinement not seen on other customs out there.

*Adding a layer of Tungsten (a tool steel similar to molybdenum) helps solidify the lock bar surface & provide more solid lock up & disengagement without it wearing out or jamming. A key feature a tactical folder needs is consistency so that it is reliable. This process ensures that LEO & Military receive the best.

Designs trusted by leo/mil

Specialists in the survival & tactical world emphasize that there's more than just having the newest technology or fanciest design. There's a psychological element that's part of combat which adds in the factor of familiarity & comfort. Most knives are foreign pieces of metal in the hands of their user & the connection to their knife goes primarily only as deep as the store they purchased it from. TSF gives you the experience of owning a knife that you know & feel the heritage of. This is why groups such Navy SEAL team 1 & other special trust TSF & have their patches on Jim's wall of honor.

important note: all commentary on this page is our personal opinion & is not endorsed by Three sisters forge


Available knives for sale


Super beast first production no.1 Prototype

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Hand made by one person this is a very unique custom made by Jim.
All knives from Three Sisters Forge (TSF) are handmade by Jim himself, a retired
doctor who lost the use of his left hand years ago. He primarily makes knives for LEO & Military. The super beast was a request for a larger folder by a SEAL Team. 11 were made & only one available to the public which is the one you see here.

Is it scary sharp???
NO! the guy's using one hand so no it's not but who cares just sharpen it yourself.

Price: $550.00 U.S.
In stock: SOLD
Price includes priority shipping (2-3 business days) & package is insured for $500


Price: $550.00 U.S.
In stock: SOLD
Price includes priority

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