6 round holes: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm<> Ergonomic handle design prevents hand injury and discomfort due to prolonged use. Applications: Belts, tailors, shoes, rubber, etc., can be used at home or work. This product is mainly intended for belts and rubber. For thin paper, etc., it is easier to drill holes when pinched with cardboard or other items. If you want to change the size of the hole, please prepare a separate Phillips screwdriver, remove the size fixing parts, and turn it to the desired size. Also, make sure the punch and base are level when you squeeze it. Depending on the time of manufacture, the product may be lubricated with oil, and the whole product may be sticky. Please acknowledge There may be some scratches or stains as this is an imported product. Instruction manual not included. <>