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” 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” wide Durable all metal construction Extra-large storage tray with convenient front access