Heavy-duty, commercial binding machine is ideally suited for high-volume use. Effortless foot pedal operation delivers maximum ease of use. Binding machines electrically punches up to 30 sheets at a time & binds documents as large as 500 sheets with a 2" comb. Design includes an adjustable punch depth for extra-large documents. Adjustable edge guide easily centers documents. 21 releasable dies can handle a variety of document sizes up to 12" wide. Extra-large chip tray has convenient front access.