Leather Hole Punch,Belt Hole Puncher For Leather, Revolving Punch Plier Leather Punch Size? The belt hole puncher for leather machine features a 6-stage rotation design, with punching diameters of 2mm, 2.5mm, 3mm, 3.5mm, 4mm, and 4.5mm. Multi-function? This leather puncher is perfect for serious craft enthusiasts who need to punch round holes in leather, belts, pet collars, cardboard,and similar materials. Ergonomic design?The professional leather puncher features a compound leverage design, reducing the pressure required and protecting the wrist from fatigue. [Perfect burr-free holes? Our screw punch is made of high-quality manganese steel, ensuring hardness and durability, with a unit weight of 17oz. Attention?If your cutting object has elastic force, please place a piece of paper between the object and the brass sheet to prevent uneven force application that may result in imperfect holes.