Thank you for viewing. This is an offering for a knife made by Manaka Hamono in Saitama Prefecture, a Kisuke Gyuto 190mm double-edged knife. The steel is likely Hitachi Metals ATS34, a three-layer construction with stainless steel. It is rust-resistant and has a sharp cutting edge. The handle is black composite wood (laminated reinforced wood). Specifications (approximate values) Blade length: Approximately 190mm Blade width: Approximately 50mm Blade thickness: Approximately 2mm Overall length: Approximately 311mm Weight: Approximately 235g