Thank you for viewing. Year-end sale until 12/31: 25,000 yen -> 15,000 yen This is a 240mm Gyuto knife. The steel type is unknown, but based on sharpening, I believe the base metal is stainless steel, and the cutting edge is also a stainless steel-based three-layer steel. The handle is a black buffalo horn octagonal ebony handle. Specifications (approximate values) Blade length: Approximately 240mm Blade width: Approximately 56mm Blade thickness: Approximately 3.5mm Overall length: Approximately 400mm Weight: Approximately 260g