If you need options, opt for this adjustable punch with eleven preset positions for two- and three-hole punching. Ergonomically designed to provide easier punching of stacks. Adjustable paper centering guide for punching accuracy. Slide-out chip pan for easy waste disposal. Plastic. Sheet Capacity: 30; Operating Method: Manual; Number of Holes: 2-3; Hole Diameter: 9/32 in.