This is a black-forged hammered deba knife made by Masamitsu. It uses Yasuki white steel for the blade, providing excellent sharpness, and features a black-forged hammered finish. The handle is made of cherry blossom wood. Please use it at home or at work for tasks such as breaking down large fish. Length: 320 mm Thickness: 8 mm Blade length: 165 mm Weight: Approximately 300 grams (Please note that there may be slight variations due to the handmade nature of the product.) Please purchase with understanding. Those who are overly concerned about details should refrain from purchasing.