EZ-Squeeze Three-Hole Punch comes equipped with PaperPro technology to easily hole-punch up to 40 sheets at once, jam-free. Sleek, comfortable curves and durable, all-metal design delivers long-lasting performance. Integrated paper guide and ruler ensure consistent hole placement. To more easily maintain a clean work environment, the base holds chip waste and can be emptied through the flip-open door. This hole puncher is ideal for most any setting, including home, office or school.