Make neat and clean holes in your metal jewelry and mixed-media projects using the ImpressArt Hole Punch Pliers. You can use the pliers on nickel silver, brass, copper, pewter and more to get uniform-sized holes. The pliers comes with a depth guard to safeguard against scratches and marring.Details:6" long1/16" hole size With depth guardSuitable for up to 18 ga. soft metalsFits jump rings up to 18 gauge