... Punch It is made of zinc alloy,using for metal corns punching for the name card,papers,hanging bags Metal Corns Punch ... name card,papers,and the hanging packing bag punching and binding.(Suitable for metal corns specification:4.9x4.7x8.0mm) Product size ... .5cmG.W/N.W: 23.5kgs/ 21.5kgs Applicable eyelet for this punch as below: (specification:4.9x4.7x8.0mm) We ...