Extrema Ratio specjalizuje się w opracowywaniu i produkcji profesjonalnych noży dla wojska, służb bezpieczeństwa publicznego i ratownictwa. Produkujemy wysokiej jakości noże wojskowe, taktyczne i myśliwskie, a także szeroką gamę solidnych noży odpowiednich do pracy w najtrudniejszych warunkach, co czyni je doskonałym wyborem na nóż survivalowy lub narzędzie zapasowe. Asortyment obejmuje zarówno małe noże składane, jak i duże Kukri, oferujące dokładnie to, czego można oczekiwać od wysokiej klasy profesjonalnego narzędzia.
X-ANT LE No 076/100 Blue Titanium, Sandblast Sintered Tungsten Carbide, a limited edition of 100 pieces folding knife. Handle made of titanium, Blade made of tungsten carbide with 71 HRC hardness! The perfect tool to carry with you at all times!
BF2 CD Tactical Gray Aluminum, Black DLC M390 upgraded version of a full-size folder from the Basic line for professional use. Blade Drop Point made of Austrian Böhler M390 steel with 61HRC hardness. Comfortable aluminum handle.
Caimano Nero N.A. Black Aluminum, Black MIL-C, large tactical folding knife, Its name refers to the Caimani Neri del Piave unit. Designed by Extrema Ratio for G.O.I., Gruppo Operativo Incursori, aluminum handle, Böhler N690 steel.
Glauca G1 Mud Aluminum, Black, developed for the GSG9, a Bundespolizei unit. Rugged folder with dagger designed to maximize penetration. Equipped with a tungsten carbide glass nailer, rescue blade and marlin spike.
Ermes Black Operativo, a dagger with a distinctive guard in the shape of the wings of the Greek god, Hermes, developed for special units. Massive 6.3mm Dagger profile head with a single-edged blade. Fast and dangerous, for the professional.
Fulcrum Desert durable, versatile knife. The blade can withstand a load of 150kg. The tanto blade retains sharpness of the cutting edge and penetration for a long time. Best knife on the field thanks to its comfortable handle and various ways of carrying.
Fulcrum C FH Desert, a compact (back-up) version of the full-size Fulcrum knife. Simple in design, massive, easy to conceal, fixed blade knife with full tang construction. Perfectly balanced with above-average durability, a professional's tool.
Fulcrum C Desert, a compact (back-up) version of the full-size Fulcrum knife. Simple in design, massive, easy to conceal, fixed blade knife with full tang construction. Perfectly balanced with above-average durability, a professional's tool.
Dobermann IV Classic the most versatile Extrema Ratio knife. It is perfect for hunting outdoor activities, defense up to unrestricted military use. Drop point profile blade with Recurve wave shaped cutting edge
Selvans Expeditions Dark Stone N690 a brilliantly designed Extrema Ratio knife for bushcraft, outdoors. Daniele Dal Canto professional survival instructor at F.I.S.S.S., Italian Federation of Sports and Experimental Survival is responsible for the project
K-Talon Karambit, Dark Stone, hot new from Extrema Ratio at Blade Show 2022!!! Aggressive lines of tactical design in excellent performance. Proven N690 stainless steel, armored performance, flat sheath with multiple mounting options!
K-Talon Karambit, Stone Washed, hot new from Extrema Ratio at Blade Show 2022!!! Aggressive lines of tactical design in excellent performance. Proven N690 stainless steel, armored performance, flat sheath with multiple mounting options!
DMP Black is a new generation of knives by Extrema Ratio. Universal knife which is perfect for hunting, outdoor activities and defense. Excellent knife for use on the battlefield and for heavy field work.
Satre Stone Washed is an exquisitely designed neck knife manufactured by Extrema Ratio company. Responsible for the design is Daniele Dal Canto, one of the main instructors in F.I.S.S.S. (Italian Federation of Sports and Experimental Survival).
Suppressor Operativo, a dagger with a symmetrical blade on both sides. Designed for close quarters or indoor combat. Perfectly balanced, easy to carry, very slim and effective. The tool of the professional.
T4000 C Satin is a continuation of tanto knives collection by Extrema Ratio. The proposal for those who love the Japanese shape of the blade, but do not want to give up the tactical handle and scabbard. Incredibly fast and dangerous in skilled hands.
Ontos Black No Kit suggestions from professionals prompted ER to make a strong and heavy compact field knife that performs well in all conditions. The serrated back of the blade serves as a back-up to avoid getting caught without sharp edge ready for use
Glauca J1 Desert, developed in cooperation with experts of the Jagdkommando, a special unit of the Austrian Army. Durable medium-heavy folder with a dagger designed to maximize penetration, regardless of the intensity of wear
Giant Mamba HCS (Hybrid Coyote Sage) a full size tanto knife with full tang construction. Offer for those who love knives with a Japanese profile blade, but do not want to give up the tactical handle and tactical scabbard. A typical tool of a professional
Giant Mamba Black, a full size tanto knife with full tang construction. Offer for those who love knives with a Japanese profile blade, but do not want to give up the tactical handle and tactical scabbard. A typical tool of a professional.
BF1 CD Black an extremely efficient EDC folder. Slim ultra-lightweight at 88g, and easy to carry, these are defining features of Basic Folder series. Blade made from N690 steel. Handle crafted from anodized aluminum. Sturdy metal clip for convenient carry
BF2 CD Stone Washed versatile and light 142g full size folder (full size) from the Basic line for professional use. Drop point head made of Austrian Böhler N690 steel with a hardness of 58HRC. Aluminum handle. Dual blade locking system. Tip-up clip
Contact C HCS (Hybrid Coyote Sage), a compact version of the so-called back-up, full-size Contact knife. The goal was to create a handier, easier to carry, but still reliable large blade tool for any field application.
Contact C Ranger Green, a compact version of the so-called back-up, full-size Contact knife. The goal was to create a handier, easier to carry, but still reliable large blade tool for any field application.
Contact C Desert, a compact version of the so-called back-up, full-size Contact knife. The goal was to create a handier, easier to carry, but still reliable large blade tool for any field application.
Giant Mamba Wolf Grey, a full size tanto knife with full tang construction. Offer for those who love knives with a Japanese profile blade, but do not want to give up the tactical handle and tactical scabbard. A typical tool of a professional.
Giant Mamba Ranger Green full tanto knife with full tang construction. An offering for those who love knives with a Japanese blade profile, yet don't want to give up a tactical handle and tactical scabbard. A typical tool of a professional
SHRAPNEL OG SW (Stone Washed), compact (back-up) knife. In expert hands this knife is incredibly fast. Well-balanced with above-average strength, a typical tool for professionals.
N.K.2 Black, tanto 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...
Defender 2 BLK combat version (back-up) of the Scout knife, for users who appreciate a reverse grip. The slim 103mm long blade has armour grooves on both sides. False blade is designed to allow the thumb to rest, the hand in accordance with the technique
Contact Desert is a new generation of knives from Extrema Ratio. A versatile knife that excels in hunting, outdoor activities and for defense. An excellent knife for use on the battlefield and for heavy field work.
Contact HCS (Hybrid Coyote Sage) is a new generation of knives Extrema Ratio. Universal knife which is perfect for hunting, outdoor activities and defense. Excellent knife for use on the battlefield and for heavy field work.
Contact Black is the first of a new generation of knives Extrema Ratio. Universal knife which is perfect for hunting, outdoor activities and defense. Excellent knife for use on the battlefield and for heavy field work
BFO R CD Ranger Green. Slim, ultra-light 53g universal EDC folder. Extrema Ratio folding knife from the Basic Folder line. Equipped with extension / lever for quick opening of the blade- High Speed Razor Opening System. Technopolymer handle, clip.
BD4 Contractor Black, a universal, lightweight 137g Extrema Ratio folder from the Basic series. Perfectly balanced, easy to carry, also hidden, sharp as a needle, will overcome any obstacle. Dagger blade with a double-edged symmetrical blade and saw.
BFO R CD HCS (Hybrid Coyote Sage). Slim and light 53g, universal EDC folder. Extrema Ratio folding knife from the Basic Folder line. Equipped with blade extension / lever for quick opening of the High Speed Razor Opening System. Technopolymer handle, clip
Mamba Wolf Grey, ultralight 85g tactical knife. Perfectly balanced with above average strength. In skillful hands incredibly fast and effective. Aspis sheath developed for quick drawing and easy attachment inside MOLLE straps thanks to clamps..
Mamba HCS, ultra-light 85g tactical knife. Perfectly balanced with above average strength. In skillful hands incredibly fast and effective. Aspis sheath developed for quick drawing and easy attachment inside MOLLE bands thanks to two clamps.
BDO R HCS (Hybrid Coyote Sage) slim, ultra-light 52g universal EDC folder. Extrema Ratio proudly presents another folding knife from Basic Folder line. BD0 R equipped with shaft extension / lever, for quick opening of the blade - High Speed Razor Opening.
BDO R Desert slim and ultra-light 52 g, universal EDC folder. Extrema Ratio proudly presents another folding knife from the Basic Folder line. BD0 R equipped with shaft extension / lever, for quick opening of the blade - High Speed Razor Opening.
BDO R Ranger Green. Slim, ultra-light 52 g, universal EDC folder. Extrema Ratio proudly presents another folding knife from the Basic Folder line. BD0 R equipped with shaft extension / lever, for quick opening of the blade - High Speed Razor Opening.
BDO R Black slim, ultra-light 52 g, universal EDC folder. Extrema Ratio proudly presents another folding knife from the Basic Folder line. BD0 R equipped with shaft extension / lever, for quick opening of the blade - High Speed Razor Opening System.
Shrapnel ONE 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.
Task C DW (Compact), 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.
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 HCS, ultra light 86 g 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...
N.K.3 K SW neck knife with a fixed blade and a handle ending with a ring. On both sides of the blood-graining slot, grooves in the blood. Vagina adapted to hanging on the neck, optional on a vest or belt, which allows the use of a knife as a clinch pick.
