Multi-function Ideal for use on a variety of surfaces. The 6-hole rotary puncher has the 6 most common sizes, which can accurately punch round holes of 2, 2.5, 3, 3.5, 4, 4.5mm. The punch plier is commonly used for punching round holes in leather, rubber, saddles, belts, plastic, fabric, canvas, and similar materials. It can not use for punching iron and aluminum plates.^ High Quality and Safety The durable punch plier is made of plated steel that is high hardness, good toughness and durable. The surface of metal deal with spray lacquer process to avoid oxidation. The brass pad adopts the thickness design to guarantee on safety.^ Ergonomics Design The professional punch plier adopts double lever mechanism to greatly save your strength. Powerful and do not require much strength to get perfect holes. Powerful penetrability makes the work easier. And the punch plier has an anti-slid and environmental protection handle.which guarantee on long-lasting working.^ Convenient tool is self-opening; revolving punch is powerful and easy, giving you the capability to cleaning punch holes every time.^ Excellent Product Performance The unique design of punch plier allows for use with one hand and gives you the ability to create stronger punches; especially useful as a leather hole punch. Convenient spring tension gives superior power and comfort, fits your palm and allows for maximum force output. Comfortable design for easy punching and less hand fatigue.