Masakage Koishi – Honesuki 150mm


Masakage Koishi

Masakage Koishi knives are hand forged by Yoshimi Kato. He is an experienced and very well known blacksmith from Echizen, Japan.

The Koishi is Forged from Aogami Super. Aogami Super/Blue Super is an improved version of Aogami # 1. The steel has amazing edge holding capabilities and the edge can be refined to extreme sharpness. The Aogami Super is Cladded in Stainless steel to easy maintenance on the blade. The Aogami Super cutting edge is reactive and will develop a great looking patina if cared for properly. Always make sure to wash and dry your knife properly after use.

The Honesuki is a Japanese style boning knife. Its triangular taper down to a thin, surgical tip allows the knife to gain easy entry between bone joints, or to slip effortlessly beneath unwanted skin or tendons.


The Steel has been hardened to 63:65 Rockwell.


Care Instructions:

  • Wash and dry the blade by hand immediately after use. Dishwashers are very bad for all knives.
  • Use a soft cloth to wash the blade. Avoid abrasive dish scrubbers and powders as these can damage the finish of your beautiful knife.
  • Do not cut through bones. You can certainly cut along/beside bones, but do not cut into bones. This can, at worst, chip the blade.
  • Never use this knife to cut frozen food. I’m sure you have a 4×4 somewhere in your kitchen for this job.
  • Never twist, cleave or prise the blade.
  • Always use a wooden or plastic cutting board. Never cut on bamboo, glass, marble, slate, a plate, china, marble, arborite or anything harder than steel.
  • Store knives in a way that the blades will not knock into each other.
  • Never transport knives unprotected.



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