Features Various hole sizes for different use Revolved head allows you to change size quickly hardness steel tube for precise punching Specifications Hole sizes 3 Round, 2 Flat, 1 Oval: 3.5mm, 4mm, 4.5mm, 6*4mm, 7*3mm, 8*3.5mm Dimensions: 9.75 x 3.6 x 1.2 inches (LxWxH) Weight: 14.4 ounces. This heavy duty hole puncher is made of manganese steel that is known for impact strength, and thus guarantees optimum wear and sharp cutting properties. Also the black finish prevents the puncher’s metal body from oxidation. The punch heads were hardened to get through even the toughest of leathers and are rotatable for ease of use, as opposed to removable heads that go missing or are difficult to keep organized. ERGONOMICS AND SAFETY DESIGN : It’s two levers mechanism and Spring tension gives superior power and comfort, fits your palm and allows for maximum output pressure with minimal effort to get perfect holes. The rubberized grip handles is Non-slip and comfortable to grip / use and comes in Red / Black color for high-visibility. Hence, Ideal for long, repetitive work without causing sore hands or blisters. The bottom ring helps to lock the handles after using for safety. WIDE APPLICATIONS AND MULTI-USE : Ideal for use on a variety of surfaces. It is an awesome tool. The punch plier is commonly used for punching holes in leather, belts, rubber, canvas, fabric, cardboard, vinyl, horse tack & saddles, pet collars, id & store cards and for many different craft projects and similar materials. It is an essential piece in a Leather Workers tool bag and it's the professional quality puncher that won't let you down. VARIETY OF PUNCH HOLE OPTIONS: This punch plier tool has 6 different hole sizes. Have fun adjusting your favorite belts to fit you perfectly again. It's super easy and fast to use. Choose the size, rotate the wheel, align your belt