The punch plier is commonly used for punching round holes in leather, belts, plastic, rubber, canvas, fabric, cardboard, saddles, and similar materials; especially useful as a leather hole punch. Designed for punching neat holes in belts, bags, horse tack saddles, shoes, sandals, pet collars, id store cards and for many different craft projects. Hole size dimensions: 2 mm or 5/64 inch 2.5 mm or 3/32 inch 3 mm or 1/8 inch 3.5 mm or 9/64 inch 4 mm or 5/32 inch 4.5 mm or 11/64 inch All the most popular sizes. Double lever mechanism to greatly save your strength. Powerful and do not require much strength to get perfect holes. Comfortable and anti-slip Grip-Handle can improve your work efficiency.