For your biggest shredding jobs, choose the fully-automatic GBC AutoFeed Shredder. Stack up to 750 sheets in the feeder for automatic shredding or manually feed up to 15 sheets at once. Micro-cut (P-5) shred style safely shreds confidential or sensitive documents. Runs ultra-quietly to help minimize noisy disruptions in large offices. Powerful induction motor with 240-minute continuous run time and oversized 37 gal bin let you shred longer without stopping. A lockable feeding tray provides additional security to your shredded documents. Auto shreds documents, paper clips and staples, while credit cards must be manually inserted.