240 mm (9.44 inch) Japanese, Seamless, Stainless Steel Chef's Kitchen Knife 240 mm (9.44 inch) Japanese Stainless Steel Chef's Knife Total length: 380 mm, blade length: 240 mm, Blade thickness: 2.5 mm, Weight: 215 grams Blade: molybdenum steel (a hard steel that will stay sharp longer); Handle: 18-13 stainless steel - seamlessly joined Seamless joining makes knives more sanitary (it eliminates places where bacteria can build up), dishwasher safe and easy to clean. Hand sharpened with a double edge