Heavy Duty Hole Punch: Punches precise 6mm diameter holes in hardboard materials up to 1.0mm and paper and PVC materials up to 2mm thick. High Capacity: Punches up to 20 sheets of A4 paper at a time, with a convenient 53mm paper feed depth for different paper sizes. Practical Design: Elegant design with smooth spring mechanism saves effort and allows you to collect paper waste. Premium Material: Made of high quality zinc alloy and chrome plated for durability and heat treatment hardened punch. Wide Application: Suitable for office, school and crafts, cleanly cuts paper, plastic, fabric and other materials.