Bostitch - BOSHP12 Classic, three-hole punch easily punches through 12 sheets of paper at a time. Durable metal delivers long-lasting use. Nonslip rubber base keeps it stable during use. Precision steel punch heads slice through paper stacks with ease. This hole puncher is an essential office accessory that will last for years to come. Compact design lets you take it anywhere. Easy-clean tray catches paper chips and can be easily emptied into your wastebasket. Use it to maintain a clean work environment at all times. Metal hole punch offers a standard three-hole configuration with 9/32" diameter holes. This sleek, three-hole punch is a must-have for any classroom, office or home.