Yoshihiro High Carbon Shiroko Kasumi Deba Japanese Fillet Chef's Knife 6"(150mm) Grade: Kasumi / Knife Type: Deba ( Fillet, Butcher )Knife Steel Type: Shiroko (White Steel #2) High Carbon Steel Blade: Single-Edged/ Blade Length :6"(150mm) BOLSTER: Water Buffalo Horn (BOLSTER COLOR -VARIES) / Handle Material: Magnolia Hardness Rockwell C scale: 62-63 / Saya Cover : Included