The Senzo Clad series is beautifully designed for the working chef or home cook. European-style handles that can be used for many hours without discomfort, and incredibly sharp blades. The laminated blade is of San Mai construction with a core of Japanese AUS-10 steel that has been hardened to 59/60° HRC. Made in Japan, these blades are sharpened by hand on a water wheel using the traditional “Honbazuke” technique