The Honeywell 9660DS model is UL approved and is great for office or your heavy in-home shredding needs, this Honeywell 60 sheet micro-cut autofeed paper shredder delivers a higher level of security for sensitive documents. You can load up to 60 sheets in the 10.5" wide manual feed tray which is shred into microcut pieces that are 3mm x 10mm and contained in the 5.3 gallon waste basket. These shredders for home office heavy duty shred up to 6 sheets at a time and can also shred plastic credit cards, staples and clips. This document shredder can shred documents in the auto feed mode for up to 12 minutes before a 60-minute cool down period is needed. It is backed by a 1 year cutter and labor warranty and a 3 year warranty on parts.