Tojiro Aogami Deba Knife with 180 mm blade. Blade is made from premium carbon steel Aogami, it has excellent sharpness and wear resistance. A bit of experience may necessary for re-sharpening, however holds very good edge retention. Handle made from Japanese magnolia wood, which has good water resistance and smooth surface. Water buffalo ferrule prevents blade from rattling and coming off. Affectionate back side with rounded edge. Weight of Tojiro Aogami Deba F-977 knife is 315 g. Deba is traditionally used to clean and fillet whole fish, but it is also commonly used for breaking down and dressing poultry and meats with small bones. Please, use your carbon knives 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.