Yoshihiro Nashiji High Carbon White Steel #2 Nakiri Japanese Vegetable Knife 6.5''(165mm) Grade : Black-Forged (Kurouchi) / Knife Type: Nakiri (Japanese Vegetable) Knife Steel Type: White Steel #2 (High Carbon Steel, will rust and oxidize if not properly maintained) Blade: Double-Edged (50/50) / Blade Length: 6.5'' (165mm) Handle Material: Handcrafted Chestnut Wood Handle Hardness Rockwell C scale: 63-64