It is made of all stainless steel and the material is Gingami No. 3 a stainless steel blade steel that is resistant to rust. All products are made by beating by hand. We hope you can feel the craftsmen’s devotion to their work by looking at the hammer marks on the handle. The rugged look is attractive. Blade material: Gingami No. 3 Handle: Stainless steel Blade length: approx. 16.0cm Total length: approx. 27.0cm Weight: approx. 120.0g Country of origin: Japan. The size and weight of each piece may vary due to the fact that each piece is made by hand. ·Iron (steel) knives will rust. Please avoid getting wet for a long time. Please wipe off the water with a soft, dry cloth after use. ·Please do not use a dishwasher.