Extrema Ratio DICOK Diving Knife
Extrema Ratio's DICOK Diving Knife

Italian manufacturer Extrema Ratio has been producing and selling high performance combat knives since 1997, so the company is no stranger to steel weaponry.

Extrema Ratio recently releases is Diving Compact Knife (DICOK). It was designed together with experts in the diving sector.

With a total length of 7.72 inches, the DICOK has a suitable size to be easily used in any water environment. This is to offer a working tool and an essential part of underwater equipment.

The DICOK blade is made out of stainless steel with a chemical burnishing process that makes it highly resistant to corrosion.

The all new diving knife can be used as a lever thanks to its cut tip, and to cut nets, ropes and fabrics thanks to the serration on the blade.

Nylon fabrics and polyester tapes together with a anti-slip rubber membrane form the soft part of the sheath. The hard part is made from Kydex.

For more information on the DICOK and other products from Extrema Ratio, please visit ExtremaRatioKnivesDivision.eu.


  • Weight: 5.47 ounces
  • Blade Length: 2.95 inches
  • Total Length: 7.72 inches
  • Main Blade Thickness: 0.16 inches
  • Blade Material: Böhler Steel N690 (58HRC)
  • Handle Material: Nylon
  • Serration on the Blade: Yes
  • Main Grinding: Flat
  • Blade Finishing: Burnishing MIL-C-13924

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