[Multifunctional] ---- This rotary hole piercing clamp has 6 holes of different sizes with ladder: 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm and 4.5 mm, generally used to drill holes in leather, plastic, canvas, fabric and stool, etc.[Double push button, 5 colors] ---- Gold, silver, bronze, aeneous and black, totally 100 games, 20 pressure buttons per color. Each set consists of a lid, a socket, a closed column and an amount. The diameter of the lid is about 12.5 mm / 0.49 inch andthe thickness is 6 mm. *** These push buttons are suitable for light tissues and not to thick fabrics.[Double cap rivets, 2 common colors (silver, bronze)] --- This set of 240 rooms, add a Retro and refined style to your craftsmanship and leather life. Lids, columns and bases of 2 sizes are 8 mm (5/16 inches); The lid, the pillar and the base are all6 mm (1/4 of inch). Please make sure that your fabric is not thicker than the size of the rivet.[Double lever mechanism] ---- Adopting the double lever mechanism, this punching clip allows you to Easily get the perfect holes thanks to its high permeability, which saves your strength considerably. On the other hand, its anti-slip and environmentally friendly handle offers the pinnacle of comfort and ensures long hours of work.Choose the correct hole sizeMeasure the hole Original to copy or compare it with the six pieces of different sizes on the wheel. When you are satisfied, simply turn the wheel to align the punching blade with the plate.2 mm or 5/64 inches2.5 mm or 3/32 inch3 mm or 1/8 inch3.5 mm or 9/64 inches4 mm or 5/32 inchesAll the most popular sizes.If the item is too thin, please add a piece of hard paper below. And make sure that the perforation position is on the correct copper plate.carboorundum The grinding rod can grind the head of the hole can also clean the debris from the hole please clean the jaws on time with a grinding rod to ensure the punching effect.The package includes: (A brand bag)1 x Professional punch clip100 x Pressure buttons in leather (bonze, jet Black, Gunmetal, Silver, Gold)240 x Leather rivets (bonze, silver)1 x Backup brass buffer1 x Screwdriver5 x Installation tools1 x Plastic hammer of profession1 x Auxiliary punch tool1 x Steel ruler1 x Grinding rod