Extrema Ratio

TK Tool 2.0 Stone Washed multifunction tool developed with military professionals. A multi tool with the basic functions needed on the battlefield. Small in size for easy carrying and use in everyday tasks.

BD2 Contractor Desert, universal, ultralight 105g Extrema Ratio folder from Basic series. Perfectly balanced, easy to carry, also in hiding, sharp as a needle, will overcome every obstacle. Leaf-Shaped head with double-edged symmetrical blade.

BD2 Contractor Black, universal, ultralight 105g Extrema Ratio folder from Basic series. Perfectly balanced, easy to carry, also in hiding, sharp as a needle, will overcome every obstacle. Leaf-Shaped head with double-edged symmetrical blade.

N.K.1 SW, neck knife / clinch pick. Fixed knife and a sheath for hanging on the neck, optionally on a vest or belt. Based on the re-designed tactical version of the Skinner. Excellent knife used for self-defence as well as for small jobs.

Slim, ultralight 53g universal EDC folder from Extrema Ratio's Basic Folder line. Equipped with head extension/lever for quick opening of the High Speed Razor Opening System. Technopolymer handle, clip

Slim, ultra-light 52g universal EDC folder. Equipped with head extension/lever for quick opening of the High Speed Razor Opening System.

Shrapnel ONE is multifunctional knife with a fixed blade and full-tang design with a full-size 5” handle in the expert hands can be incredibly fast. This is typical tool for a professional, blade for those who like to care for style and details.

Requiem HCS - ultra light 86g tactical knife, with a single-sided blade (Single Edge) for users who value the reverse grip. The Aspis sheath was designed for fast picking and easy attachment inside MOLLE straps thanks to 2 multi-position clamps.

Slim, ultra-light 50 g universal EDC folder. Extrema Ratio folding knife from the Basic Folder line. Blade with Drop Point profile made of Austrian steel Böhler N690 with 58HRC hardness. Technopolymer handle. Metal clip.

Task C Black, a compact version of the full-size versatile Task knife - so-called „back-up”. Simple construction, full tang blade, thumb ramp, finger choil undercut, high flat cut. This is tool for a professional.

BDO R Wolf Grey. Slim, ultra-light 52 g, universal EDC folder. Extrema Ratio proudly presents another folding knife from the Basic Folder line. Equipped with shaft extension / lever, for quick opening of the blade - High Speed Razor Opening System.

BFO R CD Stone Washed. Slim, ultra-light 53 g universal EDC folder. Extrema Ratio folding knife from the Basic Folder line. Equipped with shaft extension / lever, for quick opening of the so-called blade High Speed Razor Opening System.

Requiem Black - ultra light 86g tactical knife, with a single-sided blade (Single Edge) for users who value the reverse grip. The Aspis sheath was designed for fast picking and easy attachment inside MOLLE straps thanks to 2 multi-position clamps.

Requiem Desert - ultra light 86g tactical knife, with a single-sided blade for users who value the reverse grip. The Aspis sheath was designed for fast picking and easy attachment inside MOLLE straps thanks to 2 multi-position clamps.

Scout Black - slim, easy to use, versatile. Compact knife with fixed blade and false blade for users who appreciate a reversed grip. The false blade is designed to support the thumb or whole hand according to the 2 knife technique.

Mamba Black - ultralight 85 g tactical knife. Perfectly balanced with above-average strength. In expert hands, incredibly fast and effective. Aspis scabbard developed for quick picking and easy attachment inside MOLLE straps thanks to 2 clamps.

Mamba Ranger Green - ultra-light 85g tactical knife. Perfectly balanced with above-average strength. In expert hands, incredibly fast and effective. Aspis sheath developed for quick picking and easy attachment inside MOLLE straps.

NightMare StoneWashed advanced karambit and rescue knife in one. Double-sided after folding the blade works like a Flipper or Emerson hook, used to quickly open the blade in 2 ways.

Mamba Desert - ultra-light 85g tactical knife. Perfectly balanced with above-average strength. In expert hands, incredibly fast and effective. Aspis sheath developed for quick picking and easy attachment inside MOLLE straps thanks to 2 clamps.

Pugio Black short knife modeled on a Roman stiletto. Knife perfect for hiding a great backup knife (back-up). Massive blade with a thickness of 6.3mm with a double-edged symmetrical blade. Really fast, this is tool for professionals.

T4000S is a continuation of the collection tanto knives made by Extreme Ratio. This is the best choice for those who love the Japanese profile of the blade, and do not want to give up the tactical hilt and sheath.

NightMare Black, advanced karambit and rescue knife in one. Double-sided after folding the blade works like a Flipper or Emerson hook, serving to quickly open the blade in 2 ways.

Shrapnel OG FH (Full Handle) Black - a compact knife (back-up) with a fixed blade full-tang and a full-size 5 "handle. In practical hands this knife is incredibly fast. Typical tool for a professional.

Corvo is traditional knife of the Chilean army. Manufactured in several versions: Curved Corvo blade bent at a 90 ° angle, Corvo Atacameño longer, gentle bent blade making it a more universal knife. Extrema Ratio was inspired by the 2nd version.

03.4100.0130, a flat diamond sharpener from the Italian company Extrema Ratio. It perfectly collects steel, sharpening is simple and pleasant. Works well when sharpening small tools such as machete, chisels, survival knives, etc.

Pugio SE (Single Edge) Black (back-up). After the success of the Puggio dagger, Extrema Ratio has developed the Pugio SE model - a dagger with a single-sided blade, especially for users who value an inverted grip.

N.K.1 DW neck knife with impressive cutting efficiency. Arcuate undercutting of the back of the blade under the thumb or index finger according to the style of the fight. Sheath for hanging on the neck, optional for a vest or belt.

Fulcrum Black extremely durable, versatile knife. The main rack withstands the bending load with a force of 150 kg. The tanto profile maintains sharpness of the cutting edge and penetration regardless of the intensity of wear.