General description Gunpla's 12 PCS Hollow Punch Set is a heavy-duty leather hole punch cutting tool designed for various materials including leather, rubber, plastic, paper, and gaskets. This set features a range of punch sizes from 3mm to 19mm, making it versatile for different applications. The included zippered pouch ensures that all items are kept secure and organized. Technical specifications Material: High-carbon, hardened premium quality steel Punch sizes: 3mm, 4mm, 4.8mm, 5.5mm, 6.5mm, 7mm, 8mm, 10mm, 11mm, 12.5mm, 16mm, 19mm Dimensions of punches: 3mm x 82mm, 4mm x 82mm, 4.8mm x 84mm, 5.5mm x 86mm, 6.5mm x 86mm, 7mm x 86mm, 8mm x 88mm, 10mm x 89mm, 11mm x 92mm, 12.5mm x 96mm, 16mm x 100mm, 19mm x 104mm Usage Ideal for cutting holes in leather belts, watch bands, plastics, paper, and gaskets To use, place the hole punch on the desired area and strike the back end with a hammer or mallet Creates artistic and aesthetic effects on leather with different patterns Other