C.U.T. 4.0

The Combat Utility Tool

Combining the combat effectiveness of a karambit with the everyday utility of a field knife.

Availability: Available To Order


* This Order Cannot Be Cancelled Once The Knife Has Been Customized


Having a martial arts background, Joshua Swanagon has done some training with the karambit and is a fan of ring style knives and their prowess in combative applications. However, also being an avid outdoorsman, he has found them to be less than ideal as field utility blades. So he set out to make a knife that could combine those disciplines and decided to call it the C.U.T. 4.0 (Combat Utility Tool).

It is a combative, ring-knife with a utility style blade for field use. The curved handle and ring of a karambit provide superior comfort during combative use, and a traditional drop point blade profile is ideal in the field. The aggressive tip provides for maximum penetration during combat, allowing the C.U.T. 4.0 to penetrate body armor and heavy clothing much easier, while also being useful for drilling chores during fieldcraft tasks.

The C.U.T. 4.0 was designed with professional personnel in mind, but will also make a great EDC for civilians and martial artists who like the diversity of a dual purpose knife.

Bio: Joshua Swanagon has studied survival in both urban and wilderness environments in Colorado and Michigan for most of his life, while also adding experience in harsher terrains abroad. He utilizes his experience and years of diverse martial arts and combatives training and real world application as a self-defense/combatives instructor, published freelance writer and Field Editor for various magazines in the fields of knives, survival, self-defense and tactical subject matters.

Knife Type Fixed Blade
Overall Length 8.50"
Blade Length 4.25"
Cutting Edge 4.00"
Blade Thickness 0.190"
Blade Steel 1095 RC 56-58
Blade Finish Black Traction Coating
Handle Material Tan Canvas Micarta
Handle Style Dragonfly Tread
Knife Weight 6.3oz
Weight w/ Sheath 9.0oz
Sheath Included Yes
Sheath Material Black Kydex
Sheath Clip Beta Loop
Designer Joshua Swanagon
Customer Reviews (3)
Black River Wash
I hope this knife will be available with the Black River Wash finish and dark micarta, ill order two when it is. Review by Jan (Posted on 4/7/2017)
Best of both worlds
I absolutely love this knife! It has everything you may want in a useful field knife plus is a reliable self defense tool for those who know how to use a karambit. It is well balanced and fits well in the hand. Review by Michael (Posted on 1/14/2017)
Perfectly Executed
The one knife to do it all......Tops Cut 4.0. EDC, survival, defense. Perfect length, great ergonomics and excellent scout mount sheath! When I do not want to belt mount the Cut it drops right in my front pocket. The loop barely sticks out and does not appear to be a knife. It is quickly accessed and handy. Literally the biggest fixed blade I can realistically carry everyday and not gather dust in my dresser drawer. The Slight curve of the handle shortens the overall length and provides a death grip with a deep choil for finger protection. The blade is very thick, but tapers to a sharp fine edge and is very usable unlike other overbuilt fixed blades on the market. I am thrilled. I hope Tops continues to make this model. I was not paid to write this, but i have wasted money on alot of other fixed blades. BUY IT! you won't regret it. Review by Jay (Posted on 11/29/2016)
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