Swingline 20-Sheet SmartTouch Three-Hole Punch, 9/32 inch Holes, Black/GrayReduced effort manual design requires up to 50% less force than a standard paper punch. Soft grip handle locks down for storage making for a more comfortable, simpler option. Great for light use in the office. Fixed heads create three 9/32" holes. A hole pattern in the punch base provides visibility into chip tray to see when it is full. Back opening and a removable base allow easy emptying of paper chips. Durable metal construction. Sheet Capacity: 20; Operating Method: Manual; Number of Holes: 3; Hole Diameter: 9/32".