The SE Double Hole Punch Plate is ideal for making string holes in brass, copper, discs, gold, metals, silver, watchbands, etc. Screw down the punch you want until it punches through your work piece and creates a precise hole. To prevent scratches, you can put a zip lock bag or paper on top of where you want to make a hole. Then, screw the top. SE is committed to providing the customer with the best source for value possible on the market. You will enjoy the quality, function and usefulness of our SE Double Hole Punch Plate. IPR Rights Notice: Important: Avoid getting counterfeit items. Genuine SE products come with the SE logo on the packaging. SE is a registered trademark protected by US trademark law.