This Yanagiba knife by Ittetsu has 180 mm forge-welded blade made of Shirogami #2 carbon steel. Weight is 310 g. The oval shaped handle is made of magnolia wood. Yanagiba knives are primarily used to slice boneless fish fillets for Sashimi and Sushi dishes. Carbon steel is susceptible to rust and must be kept dry and clean at all time’s to avoid oxidation and discoloration. Hand wash with warm water and towel dry. Ittetsu knives are handmade in Echizen city, Japan.