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Extrema Ratio

Extrema Ratio

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 K1 Dobermann XXV Anniversarium Tuscan Black Satin

Collectible KnivesTactical knivesCollectible KnivesBushcraft knives

Blade length: 4.69″Blade length: 4.69″Blade length: 8.27″Blade length: 6.57″

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

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Defender 2 DG Fat Boy, Dark Wash N.K.3 K 39-09 Special Edition

Tactical knivesSurvival knivesNeck knivesCollectible Knives

Blade length: 4.65″Blade length: 8.27″Blade length: 2.76″Blade length: 7.6″

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

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MK2.1 Nimbus Special Edition Dual Grit Sharpener And Firesteel Pocket Kit Forpene handle, desert

Tactical knivesTactical knivesHandle scales and materials

Blade length: 6.97″Blade length: 5.55″

Blade material: Böhler N690Blade material: Böhler N690

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BD2 Contractor Misericordia Black Arditi Black Caimano Nero N.A.Satin

Tactical folding knivesTactical knivesCollectible KnivesEDC Folding knives

Blade length: 3.7″Blade length: 4.65″Blade length: 6.57″Blade length: 3.74″

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

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Forpene Handle, black Requiem Tuscan Green Waki Machete

Handle scales and materialsTactical knivesBushcraft knivesMachetes

Blade length: 4.57″Blade length: 6.57″Blade length: 11.69″

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

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XXV ANNIVERSARY COIN ADRA Operativo ANT All Black N690 ANT Stonewash M390

Tactical knivesEDC Folding knivesEDC Folding knives

Blade length: 7.48″Blade length: 1.97″Blade length: 1.97″

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

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ANT Stonewash M390 Rescue, red Diamond Pocket Sharpener K-Talon Dark Stonewash MF1

EDC Folding knivesTactical folding knivesKarambitsAll-purpose folding knives

Blade length: 1.97″Blade length: 2.17″Blade length: 3.66″

Blade material: Böhler M390Blade material: Böhler N690Blade material: Böhler N690

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Patch Kit Satre S600, black Selvans Black, green sheath Selvans Expeditions

Neck knivesSurvival knivesSurvival knives

Blade length: 2.76″Blade length: 6.1″Blade length: 6.3″

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

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BD2 Lucky BD4 Lucky BDØ R BF0 Drop Point

Tactical folding knivesTactical folding knivesEDC Folding knivesEDC Folding knives

Blade length: 3.78″Blade length: 4.84″Blade length: 2.36″Blade length: 2.17″

Blade material: Böhler N690Blade material: Böhler N690Blade 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 - K1 Dobermann XXV Anniversarium

Extrema Ratio –
K1 Dobermann XXV Anniversarium

Collectible Knives

Blade length: 8.27″

Blade material: Böhler N690

LOW STOCK

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 - Fat Boy, Dark Wash

Extrema Ratio –
Fat Boy, Dark Wash

Survival knives

Blade length: 8.27″

Blade material: Böhler N690

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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 - 39-09 Special Edition

Extrema Ratio –
39-09 Special Edition

Collectible Knives

Blade length: 7.6″

Blade material: Böhler N690

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Extrema Ratio - MK2.1

Extrema Ratio –
MK2.1

Tactical knives

Blade length: 6.97″

Blade material: Böhler N690

Extrema Ratio - Nimbus Special Edition

Extrema Ratio –
Nimbus Special Edition

Tactical knives

Blade length: 5.55″

Blade material: Böhler N690

Extrema Ratio - Dual Grit Sharpener And Firesteel Pocket Kit

Extrema Ratio –
Dual Grit Sharpener And Firesteel Pocket Kit

Extrema Ratio - Forpene handle, desert

Extrema Ratio –
Forpene handle, desert

Handle scales and materials

Extrema Ratio - BD2 Contractor

Extrema Ratio –
BD2 Contractor

Tactical folding knives

Blade length: 3.7″

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 - Arditi Black

Extrema Ratio –
Arditi Black

Collectible Knives

Blade length: 6.57″

Blade material: Böhler N690

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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

LOW STOCK

Extrema Ratio - Forpene Handle, black

Extrema Ratio –
Forpene Handle, black

Handle scales and materials

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Extrema Ratio - Requiem

Extrema Ratio –
Requiem

Tactical knives

Blade length: 4.57″

Blade material: Böhler N690

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Extrema Ratio - Tuscan Green

Extrema Ratio –
Tuscan Green

Bushcraft knives

Blade length: 6.57″

Blade material: Böhler N690

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Extrema Ratio - Waki Machete

Extrema Ratio –
Waki Machete

Blade length: 11.69″

Blade material: Böhler N690

Extrema Ratio - XXV ANNIVERSARY COIN

Extrema Ratio –
XXV ANNIVERSARY COIN

Extrema Ratio - ADRA Operativo

Extrema Ratio –
ADRA Operativo

Tactical knives

Blade length: 7.48″

Blade material: Böhler N690

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 - ANT Stonewash M390 Rescue, red

Extrema Ratio –
ANT Stonewash M390 Rescue, red

EDC Folding knives

Blade length: 1.97″

Blade material: Böhler M390

Extrema Ratio - Diamond Pocket Sharpener

Extrema Ratio –
Diamond Pocket Sharpener

Tactical folding knives

Extrema Ratio - K-Talon Dark Stonewash

Extrema Ratio –
K-Talon Dark Stonewash

Blade length: 2.17″

Blade material: Böhler N690

Extrema Ratio - MF1

Extrema Ratio –
MF1

All-purpose folding knives

Blade length: 3.66″

Blade material: Böhler N690

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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 - Selvans Black, green sheath

Extrema Ratio –
Selvans Black, green sheath

Survival knives

Blade length: 6.1″

Blade material: Böhler N690

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Extrema Ratio - Selvans Expeditions

Extrema Ratio –
Selvans Expeditions

Survival knives

Blade length: 6.3″

Blade material: Böhler N690

Extrema Ratio - BD2 Lucky

Extrema Ratio –
BD2 Lucky

Tactical folding knives

Blade length: 3.78″

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 - BDØ R

Extrema Ratio –
BDØ R

EDC Folding knives

Blade length: 2.36″

Blade material: Böhler N690

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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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