Extrema Ratio Task C Black 4.3" N690 Fixed Blade Knife with Locking Sheath


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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 compact version of our TASK multipurpose knife. Besides a reduced size of both blade and hilt, TASK C differs from the full-sized TASK in having a plain – not partially serrated – edge. The included hard sheath can be worn vertically, horizontally or obliquely (at a 45° angle).


  • Weight g.: 205
  • Weight oz.: 7,2
  • Blade Length (mm): 110
  • Blade Length (in): 4,3
  • Total Length (mm): 214
  • Total Length (in): 8,4
  • Blade Thickness (mm): 6,3
  • Blade Thickness (in): 0,25
  • Blade Material: BöHLER N690 STEEL (58HRC)
  • Blade Finishing: MIL-C-13924 BURNISHING
  • Main Grind: FLAT
  • Handle Material: FORPRENE
  • Made in Italy

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