Heavy-duty commercial binding machine for high volume use. Effortless foot pedal operation for maximum ease of use. Electronically punches up to 30 sheets at a time. Binds up to 500 sheets with a 2-Inch comb. Adjustable punch depth for extra large documents. Adjustable edge guide centers documents with ease. 21 releasable dies can handle a variety of document sizes up to 12-Inch wide. Durable all metal construction Extra-large chip tray with convenient front access.