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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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  • Brand: Extrema Ratio
Search - Page 1/6 1-36 (208) items matched your search
Extrema Ratio - Caimano Nero automatic folding knife
Extrema Ratio - DMP
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LOW STOCK Extrema Ratio - Mato Grosso Satin
Extrema Ratio - N.K. 2
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Caimano Nero automatic folding knife DMP Mato Grosso Satin N.K. 2
Automatic knivesTactical knivesMachetesNeck knives
Blade length: 3.74″Blade length: 5.91″Blade length: 12.17″Blade length: 1.57″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$375.70

$250.16

$373.86

$138.37

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DMP, desertDMP, ranger greenDMP, hcs
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N.K. 2 BlackN.K. 2 Desert WarfareN.K. 2 Stonewashed
LOW STOCK Extrema Ratio - N.K.3 K
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Extrema Ratio - RAO
LOW STOCK Extrema Ratio - Selvans Black, green sheath
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Extrema Ratio - Ferrum E Tactical Mud
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
N.K.3 K RAO Selvans Black, green sheath Ferrum E Tactical Mud
Neck knivesTactical folding knivesSurvival knivesEDC Folding knives
Blade length: 2.76″Blade length: 4.72″Blade length: 6.1″Blade length: 2.95″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$173.19

$380.28

$424.26

$208.01

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N.K.3 K BlackN.K.3 K, stonewashedN.K.3 K, desert warfare
RAO BlackRAO Desert Warfare
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Extrema Ratio - S-THIL Black Warfare Special Edition
Extrema Ratio - Caimano Nero N.A. Tactical Mud
Extrema Ratio - Herring
Extrema Ratio - XXV ANNIVERSARY COIN
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
S-THIL Black Warfare Special Edition Caimano Nero N.A. Tactical Mud Herring XXV ANNIVERSARY COIN
Collectible KnivesEDC Folding knivesCollectible Knives
Blade length: 4.69″Blade length: 3.74″Blade length: 6.57″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$301.47

$300.56

$540.64

$40.32

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Extrema Ratio - Misericordia Black Warfare Limited Edition
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Extrema Ratio - Col Moschin Paper Knife with Base
Extrema Ratio - Mato Grosso
Extrema Ratio - RAO C Black
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Misericordia Black Warfare Limited Edition Col Moschin Paper Knife with Base Mato Grosso RAO C Black
Collectible KnivesCollectible KnivesMachetesTactical folding knives
Blade length: 4.65″Blade length: 3.94″Blade length: 12.09″Blade length: 3.94″
Blade material: Böhler N690Blade material: StainlessBlade material: Böhler N690Blade material: Böhler N690

$309.72

$64.14

$364.70

$292.31

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Extrema Ratio - Sethlans Expeditions
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Extrema Ratio - T4000 C
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LOW STOCK Extrema Ratio - Arditi Black
Extrema Ratio - BD2 Lucky
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Sethlans Expeditions T4000 C Arditi Black BD2 Lucky
Survival knivesTactical knivesCollectible KnivesTactical folding knives
Blade length: 4.21″Blade length: 4.09″Blade length: 6.57″Blade length: 3.78″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$393.11

$231.83

$383.03

$174.10

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BD2 Lucky DesertBD2 Lucky Black
Extrema Ratio - BD4 Lucky
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Extrema Ratio - BF2
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LOW STOCK Extrema Ratio - Caimano Nero N.A. manual folder
LOW STOCK Extrema Ratio - Caimano Nero N.A. Satin
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
BD4 Lucky BF2 Caimano Nero N.A. manual folder Caimano Nero N.A. Satin
Tactical folding knivesEDC Folding knivesEDC Folding knivesEDC Folding knives
Blade length: 4.84″Blade length: 3.43″Blade length: 3.74″Blade length: 3.74″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$191.51

$197.01

$300.56

$309.72

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BD4 Lucky BlackBD4 Lucky Desert
BF2 Tanto Point BlackBF2 Tanto Point Desert WarfareBF2 Tanto Stonewashed
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Extrema Ratio - Col Moschin
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Extrema Ratio - Col Moschin Compact
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LOW STOCK Extrema Ratio - Contact
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LOW STOCK Extrema Ratio - Contact C
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Col Moschin Col Moschin Compact Contact Contact C
Tactical knivesTactical knivesTactical knivesTactical knives
Blade length: 6.3″Blade length: 4.33″Blade length: 6.38″Blade length: 5.04″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$364.70

$251.99

$257.49

$210.76

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Col Moschin Black, combo edgeCol Moschin Desert Warfare, combo edgeCol Moschin Desert Warfare
Col Moschin Compact BlackCol Moschin Compact Desert Warfare
Contact, desertContact, wolf greyContact, black
Contact C, wolf greyContact C, desertContact C, black
Extrema Ratio - Dobermann IV S600
LOW STOCK Extrema Ratio - Fat Boy, Dark Wash
LOW STOCK Extrema Ratio - Giant Mamba
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LOW STOCK Extrema Ratio - K1 Dobermann XXV Anniversarium
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Dobermann IV S600 Fat Boy, Dark Wash Giant Mamba K1 Dobermann XXV Anniversarium
Hunting knivesSurvival knivesTactical knivesCollectible Knives
Blade length: 7.28″Blade length: 8.27″Blade length: 6.42″Blade length: 8.27″
Blade material: Böhler S600Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$371.12

$678.09

$251.08

$861.35

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Giant Mamba, blackGiant Mamba, hcsGiant Mamba, wolf grey
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LOW STOCK Extrema Ratio - N.K. 1
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LOW STOCK Extrema Ratio - Nimbus Ordinanza
LOW STOCK Extrema Ratio - Requiem
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LOW STOCK Extrema Ratio - Satre expeditions
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
N.K. 1 Nimbus Ordinanza Requiem Satre expeditions
Neck knivesTactical knivesTactical knives
Blade length: 1.77″Blade length: 5.55″Blade length: 4.57″Blade length: 2.56″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$136.53

$366.53

$152.11

$163.11

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N.K. 1 Desert WarfareN.K. 1 StonewashedN.K. 1 Black
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Requiem, blackRequiem, hcsRequiem, ranger green
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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
FREE shipping!
$375.70
Extrema Ratio - DMP
Extrema Ratio –
DMP
Tactical knives
Blade length: 5.91″
Blade material: Böhler N690
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$250.16
LOW STOCK
Extrema Ratio - Mato Grosso Satin
Extrema Ratio –
Mato Grosso Satin
Machetes
Blade length: 12.17″
Blade material: Böhler N690
FREE shipping!
$373.86
Extrema Ratio - N.K. 2
Extrema Ratio –
N.K. 2
Neck knives
Blade length: 1.57″
Blade material: Böhler N690
$138.37
LOW STOCK
Extrema Ratio - N.K.3 K
Extrema Ratio –
N.K.3 K
Neck knives
Blade length: 2.76″
Blade material: Böhler N690
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FREE shipping!
$173.19
Extrema Ratio - RAO
Extrema Ratio –
RAO
Tactical folding knives
Blade length: 4.72″
Blade material: Böhler N690
FREE shipping!
$380.28
LOW STOCK
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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FREE shipping!
$424.26
Extrema Ratio - Ferrum E Tactical Mud
Extrema Ratio –
Ferrum E Tactical Mud
EDC Folding knives
Blade length: 2.95″
Blade material: Böhler N690
FREE shipping!
$208.01
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
FREE shipping!
$301.47
Extrema Ratio - Caimano Nero N.A. Tactical Mud
Extrema Ratio –
Caimano Nero N.A. Tactical Mud
EDC Folding knives
Blade length: 3.74″
Blade material: Böhler N690
FREE shipping!
$300.56
Extrema Ratio - Herring
Extrema Ratio –
Herring
Collectible Knives
Blade length: 6.57″
Blade material: Böhler N690
FREE shipping!
$540.64
Extrema Ratio - XXV ANNIVERSARY COIN
Extrema Ratio –
XXV ANNIVERSARY COIN
$40.32
Extrema Ratio - Misericordia Black Warfare Limited Edition
Extrema Ratio –
Misericordia Black Warfare Limited Edition
Collectible Knives
Blade length: 4.65″
Blade material: Böhler N690
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FREE shipping!
$309.72
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
$64.14
Extrema Ratio - Mato Grosso
Extrema Ratio –
Mato Grosso
Machetes
Blade length: 12.09″
Blade material: Böhler N690
FREE shipping!
$364.70
Extrema Ratio - RAO C Black
Extrema Ratio –
RAO C Black
Tactical folding knives
Blade length: 3.94″
Blade material: Böhler N690
FREE shipping!
$292.31
Extrema Ratio - Sethlans Expeditions
Extrema Ratio –
Sethlans Expeditions
Survival knives
Blade length: 4.21″
Blade material: Böhler N690
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FREE shipping!
$393.11
Extrema Ratio - T4000 C
Extrema Ratio –
T4000 C
Tactical knives
Blade length: 4.09″
Blade material: Böhler N690
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FREE shipping!
$231.83
LOW STOCK
Extrema Ratio - Arditi Black
Extrema Ratio –
Arditi Black
Collectible Knives
Blade length: 6.57″
Blade material: Böhler N690
FREE shipping!
$383.03
Extrema Ratio - BD2 Lucky
Extrema Ratio –
BD2 Lucky
Tactical folding knives
Blade length: 3.78″
Blade material: Böhler N690
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FREE shipping!
$174.10
Extrema Ratio - BD4 Lucky
Extrema Ratio –
BD4 Lucky
Tactical folding knives
Blade length: 4.84″
Blade material: Böhler N690
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FREE shipping!
$191.51
Extrema Ratio - BF2
Extrema Ratio –
BF2
EDC Folding knives
Blade length: 3.43″
Blade material: Böhler N690
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FREE shipping!
$197.01
LOW STOCK
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
FREE shipping!
$300.56
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
FREE shipping!
$309.72
Extrema Ratio - Col Moschin
Extrema Ratio –
Col Moschin
Tactical knives
Blade length: 6.3″
Blade material: Böhler N690
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FREE shipping!
$364.70
Extrema Ratio - Col Moschin Compact
Extrema Ratio –
Col Moschin Compact
Tactical knives
Blade length: 4.33″
Blade material: Böhler N690
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FREE shipping!
$251.99
LOW STOCK
Extrema Ratio - Contact
Extrema Ratio –
Contact
Tactical knives
Blade length: 6.38″
Blade material: Böhler N690
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FREE shipping!
$257.49
LOW STOCK
Extrema Ratio - Contact C
Extrema Ratio –
Contact C
Tactical knives
Blade length: 5.04″
Blade material: Böhler N690
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FREE shipping!
$210.76
Extrema Ratio - Dobermann IV S600
Extrema Ratio –
Dobermann IV S600
Hunting knives
Blade length: 7.28″
Blade material: Böhler S600
FREE shipping!
$371.12
LOW STOCK
Extrema Ratio - Fat Boy, Dark Wash
Extrema Ratio –
Fat Boy, Dark Wash
Survival knives
Blade length: 8.27″
Blade material: Böhler N690
FREE shipping!
$678.09
LOW STOCK
Extrema Ratio - Giant Mamba
Extrema Ratio –
Giant Mamba
Tactical knives
Blade length: 6.42″
Blade material: Böhler N690
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FREE shipping!
$251.08
LOW STOCK
Extrema Ratio - K1 Dobermann XXV Anniversarium
Extrema Ratio –
K1 Dobermann XXV Anniversarium
Collectible Knives
Blade length: 8.27″
Blade material: Böhler N690
FREE shipping!
$861.35
LOW STOCK
Extrema Ratio - N.K. 1
Extrema Ratio –
N.K. 1
Neck knives
Blade length: 1.77″
Blade material: Böhler N690
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$136.53
LOW STOCK
Extrema Ratio - Nimbus Ordinanza
Extrema Ratio –
Nimbus Ordinanza
Tactical knives
Blade length: 5.55″
Blade material: Böhler N690
FREE shipping!
$366.53
LOW STOCK
Extrema Ratio - Requiem
Extrema Ratio –
Requiem
Tactical knives
Blade length: 4.57″
Blade material: Böhler N690
TrustPilot star
FREE shipping!
$152.11
LOW STOCK
Extrema Ratio - Satre expeditions
Extrema Ratio –
Satre expeditions
Blade length: 2.56″
Blade material: Böhler N690
FREE shipping!
$163.11
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