With this Bostitch three-hole punch PaperPro technology, easily three-hole punch up to 40 sheets, jam-free. Designed with sleek, comfortable curves and a durable all-metal design for long-lasting performance. To ensure consistent hole placement, the punch has an integrated paper guide and ruler. For maintaining a clean work environment, the base holds the chip waste and can be emptied through the flip-open door. Ideal for the home, office or school, this hole puncher is the perfect tool for any setting.