50% less effort than comparable punches Non-marring chip catcher slides out to empty Durable metal construction 9/32" punch heads adjust for two- or three-hole punching; adjustable up to seven holes. Lever locks down for storage. Paper-size adjustable. Comfort grip. Sheet Capacity: 20; Number of Holes: 2, 3; Hole Diameter: 9/32 in; Operating Method: Manual.