The Blade Is In Carbon Steel With Chromium Coating On The Surface Which Gives Greater Smoothness. Sharp And Then Impact Hardened Teeth Require No Further Sharpening. The Handle Is Designed To Maximize The User. Made In Japan. Blade Length 150 Mm. Spare Parts: R340322 Blade Locking Hook, R340323 Screw Kit, Nut, Spring Pin, R340320 Blade 150 Mm, R340321 Blade 180 Mm.