Usage Tips:Features: The reinforced punch has strong penetrating power, easy to use, and has a good effect. It is a practical punching tool. Selected from carbon steel and heat treated to ensure that the punch stays sharpness. Normally used in conjunction with electric drill or drill and is suitable for drilling holes in materials such as leather, paper, soft plastic, rubber, PVC boards, canvas. The integrated chip removal design allows quick cleaning of chips and improves work performances. Apply even pressure when punching to achieve clean and even results. Avoid excessive force so as not to damage the punch or material. Specifications: Component:Metal Size:2mm/3mm/4mm/5mm/6mm/8mm/9mm/10mm/13mm/14mm/15mm/11mm/16mm/7mm/17mm/18mm/19mm/20mm/24mm/23mm/25mm/21mm/22mm Package Includes: 1Pc Leather Hole Punch note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.