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By Myojin Riki

Myojin Cobalt Special COSP

Sanmai - Stainless Clad Ukiba COSP (Cobalt Special) / Stainless Tosa, Japan

The Cobalt Special (COSP) knives from Myojin Riki feature blades crafted from Cobalt Special steel, a high-end Japanese stainless steel known for superior edge retention, sharpness, and corrosion resistance. Enriched with carbon and chromium, it offers excellent durability. The addition of cobalt, molybdenum, and vanadium enhances its hardness and wear resistance, making it ideal for everyday use.

Pros

  • Easy to look after
  • Excellent fit and finish
  • Thin behind the edge

Cons

  • More sharpening needed

Best For

  • First-timers
  • Pro chefs
Construction
Sanmai - Stainless Clad
Surface Finish
Ukiba
Steel
COSP (Cobalt Special) / Stainless
Origin
Tosa, Japan