Includes 3 punch heads yet accepts up to 7! Durable metal construction. Includes 3 punch heads for 2 to 3-hole punching. Adjusts for 2-3/4", 4-1/4", and 8-1/2" centers. Punches 9/32" diameter holes for easy page turning. 10 sheet capacity (20 lb. paper) Removable chip tray.