7 pieces leather round knife mold set Japanese knife material for cutting round leather bells shape cutting edges. Material: The metal part is a Japanese blade, which is sharper and has a long-lasting and undeformed edge. Two options are available: One is 7 models: 20.25.30.35.40.45.50mm and One is 7 models: 25.30.35.40.45.50.55mm. Note: Please match the pad when using it to avoid damage to the edge. When hitting, please use even force on the knife body as a whole to avoid uneven force and deformation of the knife body. Use scenarios: Cut round leather, shape and cut edges of bells, etc. Total weight: about 130 grams