Royal Sovereign Electric Binding Machine, 20 Punch (RBE-2000) Easily Punches up to 20 sheets of 20lb.paper at the touch of a button ~ Binding capacity of up to 300 sheets of 20lb. pape Punching Foot Pedal for easy punching ~Can use up to 1 1/2" plastic binding combs Waste tray for paper chips included ~Adjustable for punching over-sized covers and pages ~Bind books, reports, presentations and other documents Designed for moderate to heavy use