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Extrema Ratio

Extrema Ratio

Extrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997 enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry.

The increased capacity through the years enabled Extrema Ratio to extend its operations. As part of this effort, the company moved in 2004 to a new 600 square meter facility in order to meet the market demand and the company quickly established itself as one of the country's leading cutlery manufacturers.

Extrema Ratio serves military and law enforcement communities as well as commercial markets and the knives are well known and sought after all over the globe.

The company prides itself in design, material and quality to deliver a high end product that meets the most severe mil-standards.

The production based on modern cutting edge technology is combined with traditional craftsmanship and the result is the pinnacle of this synthesis. The Extrema Ratio design team uses the 3D system to design new models and create prototypes. Each knife design is then meticulously inspected and then field tested. At this point the finest materials are chosen for durability, function and beauty. Each knife is then hand assembled and hand finished and inspected by Extrema Ratio team of craftsmen.

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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  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Silente Knife Black - NOCS Polizia di Stato - Messer mit Mehrzweckzange

    495,00 €

    Article code: ER-SILENTE

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Nimbus Black Ordinanza - Messer

    334,00 €

    Article code: ER-NIMBUSOR

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Nimbus Special Knife - Collector's Edition - Messer

    713,00 €

    Article code: ER-NIMBUSLE

  • ExtremaRatio - Police I knife - Multiuso - coltello

    ExtremaRatio - Police I Messer - Mehrzweck 2 Klingen - Messer

    240,00 €

    Article code: ER-POLICE

  • ExtremaRatio - Fulcrum Nibbio - Esercito Italiano - Testudo - coltello

    ExtremaRatio - Fulcrum Bayonet knife NFG Black - messer

    458,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Nimbus Black Operative - Messer

    289,01 €

    Article code: ER-NIMBUSOP

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD2 R Satin - coltello

    162,00 €

  • Extremaratio - Venom Stone Washed Half Serrated Knife

    Extremaratio - Venom Stone Washed Half Serrated Knife - messer

    316,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - SERE 2 - GOI Gruppo Operativo Incursori - coltello

    ExtremaRatio - SERE 2 - GOI Gruppo Operativo Incursori - messer

    381,99 €

    Article code: ER-SERE2

  • ExtremaRatio - Fulcrum Nibbio - Esercito Italiano - Testudo - coltello

    ExtremaRatio - Fulcrum Bayonet knife NFG Desert SW - messer

    291,99 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD2 Lucky Desert Messer - Messer

    155,00 €

    Article code: ER-BD2-D

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD2 Lucky Black Messer - Messer

    164,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Leucoton Black - Messe

    297,00 €

    Article code: ER-LEUCO

  • ExtremaRatio - N.K.1 Stone Washed - Neck Knife - Coltello

    ExtremaRatio - N.K. Steel Talon - Neck Knife - NKST - Messer

    145,00 €

    Article code: ER-NKST

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Schwarz - Stone Washed - Messer

    83,00 €

    Article code: ER-BD0RBK

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - HCS - Stone Washed - Messer

    83,00 €

    Article code: ER-BD0RHC

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Ranger Green - Stone Washed - Messer

    83,00 €

    Article code: ER-BD0RRG

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Desert - Stone Washed - Messer

    83,00 €

    Article code: ER-BD0RDE

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BF4 Lucky Desert - Messer

    166,01 €

    Article code: ER-BD4LD

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 Lucky Black - Messer

    176,00 €

    Article code: ER-BD4LB

  • ExtremaRatio - Shrapnel One Knife - Coltello

    ExtremaRatio - Shrapnel One Knife - Messer

    229,99 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 R Messer Satin - Messer

    173,00 €

  • Extremaratio - A.M.F. Advanced Multi Function Black - AMF - Coltello

    Extremaratio - Arditi Black - Einschneidiges Dolch - Messer

    374,00 €

  • ExtremaRatio - 185° RAO - nuova versione 2018 - coltello

    ExtremaRatio - 185 ° RAO - neue Version 2018 - Messer

    367,00 €

    Article code: 4247

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF0 R CD - Stone Washed - Messer

    81,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF0 R CD - Desert Warfare - Stone Washed - Messer

    81,00 €

    Article code: BF0-R-CD-DW

  • Extremaratio - Fulcrum II T Black - Tanto - Messer

    Extremaratio - Fulcrum II T Black - Tanto - Messer

    378,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF1CD Desert Warfare - Drop Point - Messer

    178,00 €

    Article code: ER-BF1CD-DW

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Wolf Grey - Taktisches Messer

    150,00 €

    Article code: ER-REQ-WG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Ranger Green - Taktisches Messer

    150,00 €

    Article code: ER-REQ-RG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Desert - Taktisches Messer

    150,00 €

    Article code: ER-REQ-DE

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem HCS - Taktisches Messer

    150,00 €

    Article code: ER-REQ-HC

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Black - Taktisches Messer

    161,00 €

    Article code: ER-REQ-BK

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Wolf Gray - taktisches Messer

    151,00 €

    Article code: ER-MAM-WG

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Satin - Klappmesser

    246,00 €

    Article code: ER-PAN-SA

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Black - Klappmesser

    227,01 €
    Disponibile in 10/15gg (previa disponibilità nei magazzini del produttore)
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Stone Washed - Messer

    212,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Stone Washed - Messer

    215,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Black - Messer

    237,00 €

    Article code: ER-DEF2BL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Black - Messer

    240,00 €

    Article code: ER-DEF2DGBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Stone Washed - Messer

    206,00 €

    Article code: ER-DEFSW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Stone Washed - Messer

    211,00 €

    Article code: ER-DEFDGSW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Black - Messer

    233,00 €

    Article code: ER-DEFBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Black - Messer

    236,00 €

    Article code: ER-DEFDGBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout Black - Messer

    198,01 €

    Article code: 12656

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Black - Messer

    202,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Satin - Messer

    177,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Desert - taktisches Messer

    151,00 €

    Article code: ER-MAM-DE

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba HCS - taktisches Messer

    151,00 €

    Article code: ER-MAM-HC

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Ranger Green - taktisches Messer

    151,00 €

    Article code: ER-MAM-RG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Black - taktisches Messer

    163,00 €

  • ExtremaRatio - BF2 R CD - Razor Opening - Black Drop Point - messer

    ExtremaRatio - BF2 R CD - Razor Opening - Black Drop Point - messer

    193,00 €

    Article code: ER-BF2RCD-B

  • ExtremaRatio - BF2 R CD - Razor Opening - Desert Warfare Drop Point - messer

    ExtremaRatio - BF2 R CD - Razor Opening - Desert Warfare Drop Point - messer

    187,00 €

  • ExtremaRatio - BF2 R CD - Razor Opening - Stone Washed Drop Point - messer

    ExtremaRatio - BF2 R CD - Razor Opening - Stone Washed Drop Point - messer

    185,00 €

  • ExtremaRatio - BF2 R CT - Razor Opening - Black Tanto Point - messer

    ExtremaRatio - BF2 R CT - Razor Opening - Black Tanto Point - messer

    193,00 €

    Article code: ER-BF2RCT-B

  • ExtremaRatio - BF2 R CT - Razor Opening - Desert Warfare Tanto Point - messer

    ExtremaRatio - BF2 R CT - Razor Opening - Desert Warfare Tanto Point - messer

    187,00 €

    Article code: ER-BF2RCT-D

  • ExtremaRatio - BF2 R CT - Razor Opening - Stone Washed Tanto Point - messer

    ExtremaRatio - BF2 R CT - Razor Opening - Stone Washed Tanto Point - messer

    189,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • Extremaratio - A.M.F. Advanced Multi Function Black - AMF - Coltello

    Extremaratio - A.M.F. Advanced Multi Function Black - AMF - Messer

    388,00 €

    Article code: ER-AMFBL

  • Extremaratio - A.M.F. Advanced Multi Function Desert - AMF - Coltello

    Extremaratio - A.M.F. Advanced Multi Function Desert - AMF - Messer

    381,01 €

    Article code: ER-AMFDE

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout Satin - Messer

    172,00 €

    Article code: 12657

  • ExtremaRatio - Glauca J1 Jagdkommando - coltello

    ExtremaRatio - Glauca J1 Jagdkommando - messer

    507,00 €

    Article code: ER-GLAJ1

  • ExtremaRatio - Shrapnel OG Full Handle - Black - coltello

    ExtremaRatio - Task J - Jagdkommando - messer

    375,00 €
    Disponibile in 10/15gg (previa disponibilità nei magazzini del produttore)
  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Kitchen Talon 8cm - Steak und Tafelmesser

    50,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Verpackung 6 Stück Sector 1 tafelmesser 4cm - Tischmesser

    270,00 €

    Article code: set-sect1

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Verpackung 6 Stück Sector 2 tafelmesser 7cm - Tischmesser

    276,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Sector 2 tafelmesser 7cm - Tischmesser

    50,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Sector 1 tafelmesser 4cm - Tischmesser

    49,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - 6 tlg Küchen Talon Messer 8cm - Tischmesser

    276,00 €
    Verfügbar in 7 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF0CD - Stone Washed - Messer

    81,00 €

    Article code: 12645

  • ExtremaRatio - Selvans Desert + Survival Kit - coltello

    ExtremaRatio - Selvans Desert + Survival Kit - Messer Überleben

    651,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - N.K.1 Stone Washed - Neck Knife - Coltello

    ExtremaRatio - N.K.3 Karambit Black - Neck Knife - NK3K - messer

    174,00 €

    Article code: 12634

  • ExtremaRatio - N.K.1 Stone Washed - Neck Knife - Coltello

    ExtremaRatio - N.K.3 Karambit Stone Washed - Neck Knife - NK3K - messer

    165,01 €

  • ExtremaRatio - N.K.1 Stone Washed - Neck Knife - Coltello

    ExtremaRatio - N.K.3 Karambit Desert Warfare - Neck Knife - NK3K - messer

    178,00 €

    Article code: 12636

  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - Nightmare Karambit - Schwarz - Klappmesser

    267,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - Nightmare Karambit - Stone Washed - Klappmesser

    250,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - HF1 T Tanto Black - Klappmesser

    358,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - HF1 D Drop Black - Klappmesser

    358,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - HF2T Tanto Black - Klappmesser

    371,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - HF2D Drop Black - Klappmesser

    371,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)
  • ExtremaRatio - MF0 - coltello chiudibile

    ExtremaRatio - MF0T Tanto Black - Klappmesser

    281,00 €
    Disponibile in 10/15gg (previa disponibilità nei magazzini del produttore)

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