Yoshihiro Special Forged IGA-HIRO Series VG Stainless Steel Yanagi Sushi Sashimi Japanese Knife with Nuri Saya Cover (9.5'' (240mm)) Grade: Hongasumi VG-10/ Knife Type: Yanagi (Sushi Sashimi)Knife Steel Type: VG-10 Stainless Steel (Stainless Steel) Blade: Single-Edged / Blade Length: 9.5"(240mm), 10.5"(270mm), 11.8" (300mm), 13"(330mm) Handle Material: Premium Ebony / Bolster Material :Double Rosewood Hardness Rockwell C scale: 63 / Country of Origin: JAPAN