Japanese Chef knife gyuto handmade by Tsutomu Kajiwara. Blade 21 cm is made of Aogami 2 steel with iron damascus clad. Traditional japanese wooden handle. Please, use your Tsutomu Kajiwara knife carefully. It is not recommended for such knives - to wash in dishwasher, to leave it in water, to clean by acid liquids, to cut acid fruits like lemon. Hand-dry your knife: This should be done immediately after washing with a clean dishtowel. Rub with mineral oil. If you notice any rust spots, rub a light layer of mineral oil and let dry.