Bostitch - BOS03200 Heavy-duty adjustable punch features extreme punching without the extreme effort. High-leverage handle requires less force to send the precision, hollow steel punch heads through 160 sheets of paper for 9/32" holes. Punch adjusts easily from a two-hole to three-hole configuration and handles different document sizes with an adjustable paper guide. All-metal construction delivers superior performance and remarkable durability. Antimicrobial protected punch includes an easy-to-clean chip tray that catches chip waste for a neater work environment. Handle locks down for easy storage.