Swingline Electric 2 Hole Punch, Commercial Hole Puncher, 28 Sheet Punch Capacity, Platinum (74532) ELECTRIC EFFICIENCY  High-performance, 2-hole electric punch delivers quick and efficient punching. Ideal for high-volume projects. PUSH BUTTON START  Punching is easy with a simple, push-button start and a built-in vertical paper guide. 28-SHEET CAPACITY  Punches through as many as 28 sheets of paper, creating precise  holes. Fixed punch heads for reliable operation. QUIET USE  Precisely engineered for smooth, quiet function. Its an excellent choice for shared workspaces and quiet offices. LESS MESS  Convenient punch minimizes mess, with a built-in chip tray in the base that stores paper scraps until you're ready to dispose of them. BUILT TO LAST  Swingline stands behind this high-quality, silver punch with a Limited Lifetime 2 Year Warranty and a 100% Performance Guarantee.