Ainsworth Punch Pliers EAN # 7141084982738 Ainsworth punch plier / drilling rig for drilling rubber dams. Ainsworth punch plier / drill is a dental instrument suitable for drilling rubber dams. With two active parts. One armed with a spike and another with a rotating wheel with different diameters. Used to place holes in rubber dam material to permit the passage of the dam over the crowns of the teeth. The handles are squeezed together and the plunger (punch) creates a hole in the rubber dam material.
