Prudance Leather Belt Hole Punch Shapes 6 Hole Watch Straps Tool Pliers for Jewelry Making Sharp and clean effects: new holes cut in belts are sharp and clean. Round holes of various sizes of diameter: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm Instructions: turning the dial (only counterclockwise direction) to pick the right size, measure for the location of the new hole, and then clamp down and twist back and forth a bit to cut the new hole. Sturdy and user-friendly design: high quality metal body with black coating to avoid oxidation; soft rubber cushion grip handle for good touch and protection for hands; the bottom ring for safety (please lock the handles after using) Hazard Caution: please put it away when not using it in case of the hazards of falling or injuries.