This Gyuto is forged from Aogami super steel and cladded in stainless.
Hardness rating is ~63hrc. These knives have great edge retention and sharpenability.
The blade is finished with a Nashiji pattern with kurouchi black finish.

Tsunehisa 恆久

Tsunehisa stands as a brand by Shibata Takayuki san, that gathers knives from different blacksmiths and forges scattered across Japan, such as Sakai, Tosa, and Seki. Across this varied range, you’ll find a diverse selection of steels, styles, and finishes, every Tsunehisa knife shares a consistently high level of quality and finish under its name.