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F181 is designed for tactical use, outdoor use and rescue use where strong tip and sturdy edge point matters. As a large and sturdy fixed blade beast of excellent quality, there is also a rear safety ring on F181, along with ergonomically shaped and textured G10 handle, offering quite firm grip and comfortable reverse-grip hit. The knife also comes with a rugged sheath for convenient carrying and maintenance.

  • Overall Length:
  • 229 mm / 9.02"
  • Weight:
  • 198g / 6.98oz
  • Blade Length:
  • 115 mm / 4.53"
  • Blade Thickness:
  • 4.5 mm / 0.18"
  • Blade Material:
  • 14C28N stainless steel (58~60 HRC)
  • Handle Material:
  • G10
  • Sheath:
  • ABS
  • Finish:
  • Stonewash


  • Sandvik 14C28N Stainless Steel, Cryogenic Treatment

Sandvik 14C28N is a martensitic stainless chromium steel with a chemistry optimized for high
quality professional knife applications which put very high demands on edge sharpness, edge
stability and corrosion resistance. As to this knife, the 14C28N is intensively processed by RUIKE
using quenching and cryogenic treatment, which features an ideal hardness of 58~60 HRC.


  • G10 Knife Handle

RUIKE knife handles are a blend of fiberglass and resin, giving the knives the ability to withstand intense forces, preventing scrapes and general abrasion.


  • Rotatory Belt Buckle

For free wearing and angle adjustment.