KAGEKIYO Aogami #1 Blue Paper Steel Black-Dyed Damascus Orange Handle Gyuto 240mm This is a knife from the "Kagekiyo" series, the top brand of "Baba Hamono Seisakusho," which has a history of over 100 years. This is a beautiful masterpiece with a sharp cutting edge and extremely long-lasting sharpness, featuring Aogami #1 blue paper steel as the core material, clad in flowing patterned iron, and then specially black-dyed. Total Length: 385mm Blade Length: 240mm Blade Width at Base: 51mm Thickness at Spine Base: 4.4mm Weight: 284g Blade Construction: Sanmai (Three-Layer) Core Material: Aogami #1 Blue Paper Steel Side Material: Damascus Blade Finish: Black-Dyed Damascus Blade Shape: Gyuto (Chef's Knife) Double-Edged Brand: Kagekiyo Handle: Orange Handle Production Area: Sakai City, Osaka Prefecture