Description::this kind of tool is suitable for the rotary with big diameter. the knife is made of superior powder metallurgy material asp-23 to ensure the tool life and the die-cutting result. the shaft can be reused just with changing the knife. with the advantages of easy maintenance and cost saving, it is widely used for the heavy die-cutting machines in the printing industry, it’s the best choice for the die-cutting of paper cup, cigarette case and drug box.