Hole Size Dial & Multifunction [Upgraded]The punch pliers have 6 different size holes: 2mm, 2.5mm, 3mm, 3.5mm, 4mm and 4.5mm, we have upgraded with a dial of hole size, which is easier to distinguish the size. It is commonly used for punching round holes in leather, plastic, canvas, fabrics, saddles and similar materials, especially useful as a leather hole punch Perfect Full Set [Added the grinding rod]The includes 1 leather puncher, 2 free spare plates, 1 screwdriver, 1 ruler & 1 grinding rod. The transparent ruler can measure your part precisely, and a screwdriver can replace the spare plates and screw the screws on the belt. The hole head will be dull after long time use, the grinding rod may make the hole head sharp. It can also clean stuff stuck inside the hole Ergonomics and Comfortable DesignThe professional punch pliers adopts double lever mechanism to save your strength. Ideal for long and repetitive work without causing hand pain or blisters, as the handles are padded, non-slip and ergonomic High Quality and Safety The durable punch pliers are made of plated steel of high hardness and durability.The metal surface processes the spray lacquer process to prevent oxidation.The brass pad adopts the thickness design to ensure safety