BCI Crafts-Vintage Metal Hole Punch: Rubber Handles. These hand held pliers will punch copper or silver as thick as 18 gauge. Ergonomic handles and tempered replaceable pin. This hole punch is made of thick carbon steel and includes a replacement pin. This package contains one 5-1/4 x2-1/4 inch punch for making small 1.8mm circle punches. Imported.