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Extrema Ratio knives and folding knives

Extrema Ratio, located in Prato, Italy has been designing, manufacturing and selling high-quality combat knives since 1997. The company gained a great reputation for excellence that is unsurpassed in the military and tactical industry. The company prides itself in design, material and quality to deliver a high end product that meets the most severe standards. The first class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.

New Arrivals
Popular Models

BFK Pixel Satin Nitrogen Aviation Blue G10

BFK Pixel Satin Nitrogen Tobacco Micarta

BFK Pixel Satin Nitrogen Green Carbon Fiber

BFK Pixel MagnaCut Tactical Mud

BFK Pixel MagnaCut Black

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F.O.K. Nitrogen Outdoor

LKU01 Urban Dark

RAO Steel Nitrogen Satin

Dicok TS

Blade length: 5.04″Blade length: 3.94″Blade length: 3.43″Blade length: 3.19″

Blade material: NitrogenBlade material: Böhler N690Blade material: NitrogenBlade material: Nitrogen

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Misericordia Black

Round Patch 85mm Brown

ANT SP Total Black

BD2 Contractor

Blade length: 4.65″Blade length: 1.81″Blade length: 3.7″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

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Contact

Dobermann IV Classic

Estrema Hammer

KH Satin

Blade length: 6.38″Blade length: 7.48″Blade length: 13.39″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

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LKU01 Urban Sideral

MF1 EVO D Nitrogen Outdoor, green

Satre FX S600 Black

T911 Rescue

Blade length: 3.94″Blade length: 3.82″Blade length: 3.74″Blade length: 2.99″

Blade material: Böhler N690Blade material: NitrogenBlade material: Böhler S600Blade material: Böhler N690

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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio

ADRA Operativo

Arditi Black

Baseball Cap, black

BF2

Blade length: 7.48″Blade length: 6.57″Blade length: 3.43″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

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Caimano Nero N.A. Tactical Mud

Col Moschin

Col Moschin Compact

Estrema

Blade length: 3.74″Blade length: 6.3″Blade length: 4.33″Blade length: 3.15″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

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Folgore Nitrogen

Forpene handle, desert

Frame Rock Titan, black

Glauca G1

Blade length: 5.04″Blade length: 2.95″Blade length: 4.41″

Blade material: NitrogenBlade material: Böhler N690Blade material: Böhler N690

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MF1 EVO D Nitrogen, black

MF1 EVO Drop Point Red Satin M390

MF1 EVO Spear Point Black M390

MH-Stealth

Blade length: 3.82″Blade length: 3.74″Blade length: 3.74″Blade length: 3.39″

Blade material: NitrogenBlade material: M390Blade material: Böhler M390Blade material: Böhler N690

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Misericordia Black Warfare Limited Edition

Misericordia Desert

Nimbus Special Edition

Ontos II S600, black

Blade length: 4.65″Blade length: 4.65″Blade length: 5.55″Blade length: 6.57″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler S600

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Extrema Ratio - F.O.K. Nitrogen Outdoor

Extrema Ratio –
F.O.K. Nitrogen Outdoor

Blade length: 5.04″

Blade material: Nitrogen

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Extrema Ratio - LKU01 Urban Dark

Extrema Ratio –
LKU01 Urban Dark

Blade length: 3.94″

Blade material: Böhler N690

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Extrema Ratio - RAO Steel Nitrogen Satin

Extrema Ratio –
RAO Steel Nitrogen Satin

Blade length: 3.43″

Blade material: Nitrogen

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Extrema Ratio - Dicok TS

Extrema Ratio –
Dicok TS

Blade length: 3.19″

Blade material: Nitrogen

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Extrema Ratio - Misericordia Black

Extrema Ratio –
Misericordia Black

Blade length: 4.65″

Blade material: Böhler N690

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Extrema Ratio - Round Patch 85mm Brown

Extrema Ratio –
Round Patch 85mm Brown

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Extrema Ratio - ANT SP Total Black

Extrema Ratio –
ANT SP Total Black

Blade length: 1.81″

Blade material: Böhler N690

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Extrema Ratio - BD2 Contractor

Extrema Ratio –
BD2 Contractor

Blade length: 3.7″

Blade material: Böhler N690

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Extrema Ratio - Contact

Extrema Ratio –
Contact

Blade length: 6.38″

Blade material: Böhler N690

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Extrema Ratio - Dobermann IV Classic

Extrema Ratio –
Dobermann IV Classic

Blade length: 7.48″

Blade material: Böhler N690

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Extrema Ratio - Estrema Hammer

Extrema Ratio –
Estrema Hammer

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Extrema Ratio - KH Satin

Extrema Ratio –
KH Satin

Blade length: 13.39″

Blade material: Böhler N690

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Extrema Ratio - LKU01 Urban Sideral

Extrema Ratio –
LKU01 Urban Sideral

Blade length: 3.94″

Blade material: Böhler N690

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Extrema Ratio - MF1 EVO D Nitrogen Outdoor, green

Extrema Ratio –
MF1 EVO D Nitrogen Outdoor, green

Blade length: 3.82″

Blade material: Nitrogen

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Extrema Ratio - Satre FX S600 Black

Extrema Ratio –
Satre FX S600 Black

Blade length: 3.74″

Blade material: Böhler S600

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Extrema Ratio - T911 Rescue

Extrema Ratio –
T911 Rescue

Blade length: 2.99″

Blade material: Böhler N690

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Extrema Ratio - ADRA Operativo

Extrema Ratio –
ADRA Operativo

Blade length: 7.48″

Blade material: Böhler N690

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Extrema Ratio - Arditi Black

Extrema Ratio –
Arditi Black

Blade length: 6.57″

Blade material: Böhler N690

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Extrema Ratio - Baseball Cap, black

Extrema Ratio –
Baseball Cap, black

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Extrema Ratio - BF2

Extrema Ratio –
BF2

Blade length: 3.43″

Blade material: Böhler N690

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Extrema Ratio - Caimano Nero N.A. Tactical Mud

Extrema Ratio –
Caimano Nero N.A. Tactical Mud

Blade length: 3.74″

Blade material: Böhler N690

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Extrema Ratio - Col Moschin

Extrema Ratio –
Col Moschin

Blade length: 6.3″

Blade material: Böhler N690

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Extrema Ratio - Col Moschin Compact

Extrema Ratio –
Col Moschin Compact

Blade length: 4.33″

Blade material: Böhler N690

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Extrema Ratio - Estrema

Extrema Ratio –
Estrema

Blade length: 3.15″

Blade material: Böhler N690

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Extrema Ratio - Folgore Nitrogen

Extrema Ratio –
Folgore Nitrogen

Blade length: 5.04″

Blade material: Nitrogen

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Extrema Ratio - Forpene handle, desert

Extrema Ratio –
Forpene handle, desert

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Extrema Ratio - Frame Rock Titan, black

Extrema Ratio –
Frame Rock Titan, black

Blade length: 2.95″

Blade material: Böhler N690

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Extrema Ratio - Glauca G1

Extrema Ratio –
Glauca G1

Blade length: 4.41″

Blade material: Böhler N690

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Extrema Ratio - MF1 EVO D Nitrogen, black

Extrema Ratio –
MF1 EVO D Nitrogen, black

Blade length: 3.82″

Blade material: Nitrogen

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Extrema Ratio - MF1 EVO Drop Point Red Satin M390

Extrema Ratio –
MF1 EVO Drop Point Red Satin M390

Blade length: 3.74″

Blade material: M390

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Extrema Ratio - MF1 EVO Spear Point Black M390

Extrema Ratio –
MF1 EVO Spear Point Black M390

Blade length: 3.74″

Blade material: Böhler M390

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Extrema Ratio - MH-Stealth

Extrema Ratio –
MH-Stealth

Blade length: 3.39″

Blade material: Böhler N690

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Extrema Ratio - Misericordia Black Warfare Limited Edition

Extrema Ratio –
Misericordia Black Warfare Limited Edition

Blade length: 4.65″

Blade material: Böhler N690

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Extrema Ratio - Misericordia Desert

Extrema Ratio –
Misericordia Desert

Blade length: 4.65″

Blade material: Böhler N690

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Extrema Ratio - Nimbus Special Edition

Extrema Ratio –
Nimbus Special Edition

Blade length: 5.55″

Blade material: Böhler N690

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Extrema Ratio - Ontos II S600, black

Extrema Ratio –
Ontos II S600, black

Blade length: 6.57″

Blade material: Böhler S600

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