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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 - Culter Venatorius - Limited Edition 300pz - coltello

    ExtremaRatio - Cuchillo Culter Venatorius - Edición Limitada 300pz - COLECCIÓN PRIVADA - cuchillo

    1 295,01 €

  • ExtremaRatio - Ti-Rock Tactical Version - Limited Edition - coltello knife messer couteau cuchillo poignard chiudibile tascabile pieghevole

    ExtremaRatio - Frame Rock Titan - Blue Satin - cuchillo plegable

    518,00 €

  • ExtremaRatio - Ti-Rock Tactical Version - Limited Edition - coltello knife messer couteau cuchillo poignard chiudibile tascabile pieghevole

    ExtremaRatio - Frame Rock Titan - Black DLC - cuchillo plegable

    525,00 €

  • ExtremaRatio - N.K.3 Stone Washed

    Knives.it by ExtremaRatio - Tengu Tactical Black - Icepick Karambit - Cuchillo

    155,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - E.C.M. Cobra - ECM Einsatzkommando - Cuchillo

    369,00 €

  • ExtremaRatio, MF1 BC, coltello chiudibile

    ExtremaRatio - Cuchillo MF1 BC - COLECCIÓN PRIVADA - cuchillo plegable

    Precio regular: 300,00 €

    P. Sconto 255,00 €


  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Giant Mamba Knife - Black - cuchillo táctico

    293,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Giant Mamba - Ranger Green - cuchillo táctico

    252,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Giant Mamba - HCS - cuchillo táctico

    252,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact C Knife HCS - cuchillo táctico

    191,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact C Knife Black - cuchillo táctico

    204,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact C Knife Ranger Green - cuchillo táctico

    191,00 €

  • Victorinox - Fodero in pelle 4.0523.3

    Ulticlip - Clip pequeño universal SLIM 2.2 - Accesorios para cuchillos

    14,49 €

  • Victorinox - Fodero in pelle 4.0523.3

    Ulticlip - SLIM 3.3 clip mediano universal - Accesorios para cuchillos

    14,49 €

  • Victorinox - Fodero in pelle 4.0523.3

    Ulticlip - Clip universal grande ULTICLIP3 + - Accesorios para cuchillos

    15,01 €

  • ExtremaRatio, MF1 BC, coltello chiudibile

    ExtremaRatio - T911 Tuscania Rescue Tool - cuchillo plegable

    295,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Shrapnel OG Satin knife - San Mai V-TOKU2 Limited Edition - cuchillo

    380,01 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 R Cuchillo Raso - Cuchillo

    167,01 €

  • ExtremaRatio - MF2 Ruvido - coltello chiudibile

    ExtremaRatio - Cuchillo áspero MF2 - cuchillo plegable

    325,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)
  • ExtremaRatio - Resolza Stone Washed - coltello

    ExtremaRatio - Resolza 10 - Negro - cuchillo pattada

    178,00 €

  • ExtremaRatio - Resolza Stone Washed - coltello

    ExtremaRatio - Resolza 10 - Stone Washed - cuchillo pattada

    175,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Wolf Grey Knife Stone Washed - cuchillo táctico

    250,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Ranger Green Knife Stone Washed - cuchillo táctico

    250,00 €

  • ExtremaRatio - BF2V - Coltello per barca

    ExtremaRatio - BF2H Helmsman - Cuchillo de vela multiherramienta

    212,00 €

  • ExtremaRatio - Selvans - Heavy Utility Survival Knife - coltello

    ExtremaRatio - Selvans - Heavy Utility Survival Knife

    434,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)
  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Knife Black - cuchillo táctico

    289,99 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Contact Desert Knife Stone Washed - cuchillo táctico

    250,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Silente Knife Black - NOCS Polizia di Stato - cuchillo con pinzas multiusos

    495,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Nimbus Black Ordinanza - Cuchillo

    334,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)

    Article code: ER-NIMBUSOR

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Nimbus Special - Collector's Edition - Cuchillo

    713,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)

    Article code: ER-NIMBUSLE

  • ExtremaRatio - 39-09 COFS Combat - coltello

    ExtremaRatio - 39-09 - Comando Operativo Fuerzas Especiales COFS Combat - cuchillo

    345,00 €

  • ExtremaRatio - Police I knife - Multiuso - coltello

    ExtremaRatio - cuchillo Police I - multiusos 2 cuchillas - cuchillo

    240,00 €

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

    ExtremaRatio - Fulcrum Bayonet knife NFG Black - cuchillo

    458,00 €

  • ExtremaRatio - Pugio SE Black - Filo Singolo - coltello

    ExtremaRatio - Operativo Nimbus Black - Cuchillo

    289,01 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD2 R Satin - cuchillo

    162,00 €

  • Extremaratio - Venom Black Half Serrated Knife - coltello

    Extremaratio - Venom Stone Washed Half Serrated Knife - cuchillo

    316,00 €
    Disponible en 10/15 días (sujeto a disponibilidad en los almacenes del fabricante)
  • ExtremaRatio - Fulcrum Nibbio - Esercito Italiano - Testudo - coltello

    ExtremaRatio - Fulcrum Bayonet cuchillo NFG Desert SW - cuchillo

    291,99 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)
  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - Cuchillo BD2 Lucky Desert - Cuchillo

    155,00 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - Cuchillo BD2 Lucky Black - Cuchillo

    164,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Leucoton Black - cuchillo

    303,00 €
    Entrega en 7/10 días (si está disponible del fabricante)
  • ExtremaRatio - Kreios - Heavy Utility Machete - Coltello

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

    148,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Negro - Piedra lavada - Cuchillo

    85,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - HCS - Piedra lavada - Cuchillo

    85,00 €

  • ExtremaRatio - BD0 R - Ranger Green - Stone Washed - coltello

    ExtremaRatio - BD0 R - Ranger Green - Piedra lavada - Cuchillo

    85,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BD0 R - Desert - Piedra lavada - Cuchillo

    85,00 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 Lucky Desert - Cuchillo

    169,99 €

  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BF4 Lucky Black - Cuchillo

    180,00 €

  • ExtremaRatio - Kreios - Heavy Utility Machete - Coltello

    ExtremaRatio - Shrapnel One Knife - Cuchillo

    235,00 €
    In preordine - in arrivo al 07/08/18
  • ExtremaRatio - BF4 R knife Satin - coltello

    ExtremaRatio - BD4 R Cuchillo Raso - Cuchillo

    177,00 €

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

    Extremaratio - Arditi Black - Daga de un solo filo - Cuchillo

    381,99 €
    Disponible desde finales de junio
  • ExtremaRatio - 185° RAO - coltello

    ExtremaRatio - 185° RAO - nueva versión 2018 - cuchillo

    367,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF0 R CD - Stone Washed - cuchillo

    83,00 €

  • ExtremaRatio, BF1CD, Drop Point, coltello

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

    83,00 €

  • Extremaratio - Fulcrum II T Black - Tanto - cuchillo

    Extremaratio - Fulcrum II T Black - Tanto - cuchillo

    386,00 €
    Disponible en 10/15 días (sujeto a disponibilidad en los almacenes del fabricante)
  • ExtremaRatio, BF1CD, Drop Point, coltello

    ExtremaRatio - BF1CD Desert Warfare - Drop Point - cuchillo

    182,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Requiem Wolf Gray - cuchillo táctico

    153,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Requiem Ranger Green - cuchillo táctico

    153,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Requiem Desert - cuchillo táctico

    153,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Requiem HCS - cuchillo táctico

    153,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Requiem Black - cuchillo táctico

    165,01 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Mamba Wolf Gray - cuchillo táctico

    154,00 €

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Satin - navaja plegable

    251,00 €

  • ExtremaRatio - T-Razor - coltello

    ExtremaRatio - Panthera Black - navaja plegable

    232,00 €

  • ExtremaRatio - 185° RAO - coltello

    ExtremaRatio - 185 ° RAO - primera versión - cuchillo

    367,00 €
    Fuori Produzione - Discontinued
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Stone Washed - Cuchillo

    217,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Stone Washed - Cuchillo

    220,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)

    Article code: ER-DEF2DGSW

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 Black - Cuchillo

    242,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender 2 DG Black - Cuchillo

    245,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Stone Washed - Cuchillo

    211,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Stone Washed - Cuchillo

    216,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender Black - Cuchillo

    238,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Defender DG Black - Cuchillo

    241,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout Negro - cuchillo

    202,00 €

  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Negro - cuchillo

    206,00 €
    Disponible en 10/15 días (sujeto a disponibilidad en los almacenes del fabricante)
  • ExtremaRatio - Shrapnel OG Testudo - coltello

    ExtremaRatio - Scout 2 Satin - cuchillo

    181,00 €
    Disponible en 10/15 días (sujeto a disponibilidad en los almacenes del fabricante)
  • ExtremaRatio - Mamba Desert - coltello tattico

    ExtremaRatio - Desert Mamba - cuchillo táctico

    154,00 €

  • ExtremaRatio - Mamba HCS - coltello tattico

    ExtremaRatio - HCS Mamba - cuchillo táctico

    154,00 €

  • ExtremaRatio - Mamba Ranger Green - coltello tattico

    ExtremaRatio - Ranger Green Mamba - cuchillo táctico

    154,00 €

  • ExtremaRatio - Mamba Black - coltello tattico

    ExtremaRatio - Black Mamba - cuchillo táctico

    165,01 €

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

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

    193,00 €
    Shipped in 7/10 days (subject to availability in the manufacturer's warehouses)

    Article code: ER-BF2RCD-B

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