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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 - Shrapnel OG Satin in San Mai CoS, coltello, knife, messer

    ExtremaRatio - Shrapnel OG Satin in San Mai CoS - messer

    319,99 €

    Article code: ERCC-SH

  • ExtremaRatio - MF2 Ruvido - coltello chiudibile

    ExtremaRatio - MF2 Grobmesser - Klappmesser

    325,00 €

    Article code: 4352R

  • ExtremaRatio - Lamborghini Reventón - Limited Edition - coltello

    ExtremaRatio - Lamborghini Reventón knife - Limited Edition - coltello

    550,00 €

    Article code: 4256

  • ExtremaRatio, RES II, Rescue Emergency Survival, coltello

    ExtremaRatio - RES II - Rescue Emergency Survival Knife - coltello multiuso tattico

    395,00 €

  • ExtremaRatio - Resolza Stone Washed - coltello

    ExtremaRatio - Resolza 10 - Schwarz - Pattada Messer

    178,00 €

    Article code: ER-RE10-BK

  • Extremaratio - Fulcrum II T Folder - Tanto - MANICO RUVIDO - COLLEZIONE PRIVATA - coltello

    Extremaratio - Fulcrum II T Folder - Tanto - ROHER GRIFF - PRIVATE COLLECTION - Messer

    Regulärer Preis: 386,00 €

    Special Price 295,00 €


  • ExtremaRatio - Resolza Stone Washed - coltello

    ExtremaRatio - Resolza 10 - Stone Washed - Messer

    175,00 €

    Article code: ER-RE10-SW

  • ExtremaRatio - MPC knife Tiratori Scelti - coltello

    ExtremaRatio - MPC Messer Ausgewählte Schützen - PRIVATE COLLECTION - Messer

    Regulärer Preis: 430,00 €

    Special Price 345,00 €


  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Wolf Grey Knife Stone Washed - taktisches Messer

    250,00 €

    Article code: ER-CON-G

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Ranger Green Knife Stone Washed - Taktisches Messer

    250,00 €

  • ExtremaRatio - Nemesis knife - USATO - coltello

    ExtremaRatio - Nemesis Messer - USED - Messer

    Regulärer Preis: 427,00 €

    Special Price 235,00 €


  • ExtremaRatio - BF2V - Coltello per barca

    ExtremaRatio - BF2H Helmsman - Multitool Segelmesser

    212,00 €

  • ExtremaRatio - Selvans - Heavy Utility Survival Knife - coltello

    ExtremaRatio - Selvans - Heavy Utility Survival Knife

    434,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Knife Black - taktisches Messer

    289,99 €

    Article code: ER-CONT-B-B

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Desert Knife Stone Washed - taktisches Messer

    250,00 €

    Article code: ER-CONT-DES

  • 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 €

    Article code: ER-FULNFGB

  • 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 €

    Article code: ER-BD2R

  • 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 €

  • 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 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD2 Lucky Black Messer - Messer

    164,00 €

    Article code: ER-BD2-B

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Leucoton Black - Messe

    303,00 €

    Article code: ER-LEUCO

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

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

    148,00 €

    Article code: ER-NKST

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Schwarz - Stone Washed - Messer

    85,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - HCS - Stone Washed - Messer

    85,00 €

    Article code: ER-BD0RHC

  • ExtremaRatio, BF1CD, Drop Point, coltello

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

    85,00 €

    Article code: ER-BD0RRG

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Desert - Stone Washed - Messer

    85,00 €

    Article code: ER-BD0RDE

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BF4 Lucky Desert - Messer

    169,99 €

    Article code: ER-BD4LD

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 Lucky Black - Messer

    180,00 €

    Article code: ER-BD4LB

  • ExtremaRatio - Shrapnel One Knife - Coltello

    ExtremaRatio - Shrapnel One Knife - Messer

    235,00 €

    Article code: ER-SH-ONE

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 R Messer Satin - Messer

    177,00 €

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

    Extremaratio - Arditi Black - Einschneidiges Dolch - Messer

    381,99 €

  • 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

    83,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

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

    83,00 €

    Article code: BF0-R-CD-DW

  • Extremaratio - Fulcrum II T Black - Tanto - Messer

    Extremaratio - Fulcrum II T Black - Tanto - Messer

    386,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)

    Article code: 4146R

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF1CD Desert Warfare - Drop Point - Messer

    182,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Wolf Grey - Taktisches Messer

    153,00 €

    Article code: ER-REQ-WG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Ranger Green - Taktisches Messer

    153,00 €

    Article code: ER-REQ-RG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Desert - Taktisches Messer

    153,00 €

    Article code: ER-REQ-DE

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem HCS - Taktisches Messer

    153,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Requiem Black - Taktisches Messer

    165,01 €

    Article code: ER-REQ-BK

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Wolf Gray - taktisches Messer

    154,00 €

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Satin - Klappmesser

    251,00 €

    Article code: ER-PAN-SA

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Black - Klappmesser

    232,00 €
    Disponibile in 10/15gg (previa disponibilità nei magazzini del produttore)

    Article code: ER-PAN-BL

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

    ExtremaRatio - 185 ° RAO - Erstausgabe - Coltello

    367,00 €

    Article code: ER-185RAO

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Stone Washed - Messer

    217,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)

    Article code: ER-DEF2SW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Stone Washed - Messer

    220,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Black - Messer

    242,00 €

    Article code: ER-DEF2BL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Black - Messer

    245,00 €

    Article code: ER-DEF2DGBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Stone Washed - Messer

    211,00 €

    Article code: ER-DEFSW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Stone Washed - Messer

    216,00 €

    Article code: ER-DEFDGSW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Black - Messer

    238,00 €

    Article code: ER-DEFBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Black - Messer

    241,00 €

    Article code: ER-DEFDGBL

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout Black - Messer

    202,00 €

    Article code: 12656

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Black - Messer

    206,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)

    Article code: 12658

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Satin - Messer

    181,00 €
    Verfügbar in 10/15 Tagen (vorbehaltlich Verfügbarkeit in den Lagern des Herstellers)

    Article code: 12659

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Desert - taktisches Messer

    154,00 €

    Article code: ER-MAM-DE

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba HCS - taktisches Messer

    154,00 €

    Article code: ER-MAM-HC

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Ranger Green - taktisches Messer

    154,00 €

    Article code: ER-MAM-RG

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Mamba Black - taktisches Messer

    165,01 €

  • 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

    191,00 €

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

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

    189,00 €

    Article code: ER-BF2RCD-S

  • 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

    191,00 €

    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)

    Article code: ER-BF2RCT-S

  • 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

    518,00 €

    Article code: ER-GLAJ1

  • ExtremaRatio - Shrapnel OG Full Handle - Black - coltello

    ExtremaRatio - Task J - Jagdkommando - messer

    382,99 €
    Disponibile in 10/15gg (previa disponibilità nei magazzini del produttore)

    Article code: ER-TASKJ

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

    ExtremaRatio - Kitchen Talon 8cm - Steak und Tafelmesser

    55,00 €

  • ExtremaRatio - Psycho 19cm. - Coltello da Chef

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

    270,00 €

    Article code: set-sect1

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