LEATHER PUNCH: Our leather puncher creates holes in lightweight leather (0.5 to 5.0 oz.). 5 HOLE SIZES: This rotary punch has 5 different diameters: 0.8 mm, 1 mm, 1.2 mm, 1.5 mm, and 2 mm. SPRING ACTION: Ensure your hand muscles don't get worn out with the spring-action design. DURABLE DESIGN: We've added a heavy-duty stainless-steel box joint to the puncher for durability. PROFESSIONAL QUALITY: Our high-quality punch is perfect for your jewelry-making kit.