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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.

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S-THIL Black Warfare Special Edition S-THIL Stonewashed XXV ANNIVERSARY COIN BF2

Collectible KnivesTactical knivesEDC Folding knives

Blade length: 4.69″Blade length: 4.69″Blade length: 3.43″

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

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BD4 Lucky Tuscan Black Satin Defender 2 DG N.K.3 K

Tactical folding knivesBushcraft knivesTactical knivesNeck knives

Blade length: 4.84″Blade length: 6.57″Blade length: 4.65″Blade length: 2.76″

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

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Misericordia Black BF1 ANT All Black N690 ANT Stonewash M390

Tactical knivesEDC Folding knivesEDC Folding knivesEDC Folding knives

Blade length: 4.65″Blade length: 2.72″Blade length: 1.97″Blade length: 1.97″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler M390

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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio

BF0 Drop Point Diamond Pocket Sharpener Dicok Forpene handle, desert

EDC Folding knivesTactical folding knivesDiving knivesHandle scales and materials

Blade length: 2.17″Blade length: 3.35″

Blade material: Böhler N690Blade material: Böhler N690

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Patch Kit Satre S600, black Shrapnel One ANT Stonewash N690

Neck knivesSurvival knivesEDC Folding knives

Blade length: 2.76″Blade length: 6.18″Blade length: 1.97″

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

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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio

BD4 Adra BDØ R BF3 Dark Talon Caimano Nero automatic folding knife

Tactical knivesEDC Folding knivesTactical folding knivesAutomatic knives

Blade length: 4.84″Blade length: 2.36″Blade length: 4.72″Blade length: 3.74″

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

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Caimano Nero N.A. manual folder Caimano Nero N.A.Satin Col Moschin Compact Col Moschin Paper Knife with Base

EDC Folding knivesEDC Folding knivesTactical knivesCollectible Knives

Blade length: 3.74″Blade length: 3.74″Blade length: 4.33″Blade length: 3.94″

Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Stainless

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Contact Contact C DMP Dobermann IV S600

Tactical knivesTactical knivesTactical knivesHunting knives

Blade length: 6.38″Blade length: 5.04″Blade length: 5.91″Blade length: 7.28″

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

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Fat Boy, satin Forpene Handle Requiem/Mamba, wolf grey Forpene Handle, black Giant Mamba

Survival knivesHandle scales and materialsHandle scales and materialsTactical knives

Blade length: 8.27″Blade length: 6.42″

Blade material: Böhler N690Blade material: Böhler N690

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Extrema Ratio - S-THIL Black Warfare Special Edition

Extrema Ratio –
S-THIL Black Warfare Special Edition

Collectible Knives

Blade length: 4.69″

Blade material: Böhler N690

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Extrema Ratio - S-THIL Stonewashed

Extrema Ratio –
S-THIL Stonewashed

Tactical knives

Blade length: 4.69″

Blade material: Böhler N690

Extrema Ratio - XXV ANNIVERSARY COIN

Extrema Ratio –
XXV ANNIVERSARY COIN

Extrema Ratio - BF2

Extrema Ratio –
BF2

EDC Folding knives

Blade length: 3.43″

Blade material: Böhler N690

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Extrema Ratio - BD4 Lucky

Extrema Ratio –
BD4 Lucky

Tactical folding knives

Blade length: 4.84″

Blade material: Böhler N690

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Extrema Ratio - Tuscan Black Satin

Extrema Ratio –
Tuscan Black Satin

Bushcraft knives

Blade length: 6.57″

Blade material: Böhler N690

Extrema Ratio - Defender 2 DG

Extrema Ratio –
Defender 2 DG

Tactical knives

Blade length: 4.65″

Blade material: Böhler N690

Extrema Ratio - N.K.3 K

Extrema Ratio –
N.K.3 K

Blade length: 2.76″

Blade material: Böhler N690

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Extrema Ratio - Misericordia Black

Extrema Ratio –
Misericordia Black

Tactical knives

Blade length: 4.65″

Blade material: Böhler N690

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Extrema Ratio - BF1

Extrema Ratio –
BF1

EDC Folding knives

Blade length: 2.72″

Blade material: Böhler N690

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Extrema Ratio - ANT All Black N690

Extrema Ratio –
ANT All Black N690

EDC Folding knives

Blade length: 1.97″

Blade material: Böhler N690

Extrema Ratio - ANT Stonewash M390

Extrema Ratio –
ANT Stonewash M390

EDC Folding knives

Blade length: 1.97″

Blade material: Böhler M390

Extrema Ratio - BF0 Drop Point

Extrema Ratio –
BF0 Drop Point

EDC Folding knives

Blade length: 2.17″

Blade material: Böhler N690

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Extrema Ratio - Diamond Pocket Sharpener

Extrema Ratio –
Diamond Pocket Sharpener

Tactical folding knives

Extrema Ratio - Dicok

Extrema Ratio –
Dicok

Blade length: 3.35″

Blade material: Böhler N690

Extrema Ratio - Forpene handle, desert

Extrema Ratio –
Forpene handle, desert

Handle scales and materials

Extrema Ratio - Patch Kit

Extrema Ratio –
Patch Kit

Extrema Ratio - Satre S600, black

Extrema Ratio –
Satre S600, black

Blade length: 2.76″

Blade material: Böhler S600

Extrema Ratio - Shrapnel One

Extrema Ratio –
Shrapnel One

Survival knives

Blade length: 6.18″

Blade material: Böhler N690

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Extrema Ratio - ANT Stonewash N690

Extrema Ratio –
ANT Stonewash N690

EDC Folding knives

Blade length: 1.97″

Blade material: Böhler N690

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Extrema Ratio - BD4 Adra

Extrema Ratio –
BD4 Adra

Tactical knives

Blade length: 4.84″

Blade material: Böhler N690

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Extrema Ratio - BDØ R

Extrema Ratio –
BDØ R

EDC Folding knives

Blade length: 2.36″

Blade material: Böhler N690

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Extrema Ratio - BF3 Dark Talon

Extrema Ratio –
BF3 Dark Talon

Tactical folding knives

Blade length: 4.72″

Blade material: Böhler N690

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Extrema Ratio - Caimano Nero automatic folding knife

Extrema Ratio –
Caimano Nero automatic folding knife

Automatic knives

Blade length: 3.74″

Blade material: Böhler N690

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Extrema Ratio - Caimano Nero N.A. manual folder

Extrema Ratio –
Caimano Nero N.A. manual folder

EDC Folding knives

Blade length: 3.74″

Blade material: Böhler N690

LOW STOCK

Extrema Ratio - Caimano Nero N.A.Satin

Extrema Ratio –
Caimano Nero N.A.Satin

EDC Folding knives

Blade length: 3.74″

Blade material: Böhler N690

Extrema Ratio - Col Moschin Compact

Extrema Ratio –
Col Moschin Compact

Tactical knives

Blade length: 4.33″

Blade material: Böhler N690

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Extrema Ratio - Col Moschin Paper Knife with Base

Extrema Ratio –
Col Moschin Paper Knife with Base

Collectible Knives

Blade length: 3.94″

Blade material: Stainless

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Extrema Ratio - Contact

Extrema Ratio –
Contact

Tactical knives

Blade length: 6.38″

Blade material: Böhler N690

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Extrema Ratio - Contact C

Extrema Ratio –
Contact C

Tactical knives

Blade length: 5.04″

Blade material: Böhler N690

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Extrema Ratio - DMP

Extrema Ratio –
DMP

Tactical knives

Blade length: 5.91″

Blade material: Böhler N690

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Extrema Ratio - Dobermann IV S600

Extrema Ratio –
Dobermann IV S600

Blade length: 7.28″

Blade material: Böhler S600

LOW STOCK

Extrema Ratio - Fat Boy, satin

Extrema Ratio –
Fat Boy, satin

Survival knives

Blade length: 8.27″

Blade material: Böhler N690

Extrema Ratio - Forpene Handle Requiem/Mamba, wolf grey

Extrema Ratio –
Forpene Handle Requiem/Mamba, wolf grey

Handle scales and materials

LOW STOCK

Extrema Ratio - Forpene Handle, black

Extrema Ratio –
Forpene Handle, black

Handle scales and materials

LOW STOCK

Extrema Ratio - Giant Mamba

Extrema Ratio –
Giant Mamba

Tactical knives

Blade length: 6.42″

Blade material: Böhler N690

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