The MD80 is a media disc and dvd cd shredder. This cd shredder destroys up to 30 discs per minute. Dual knurled rollers obliterate the data surface of the CDs. The MD100 cd shredder was picked by Time Magazine as one of the coolest inventions of 2003. It will shred 7 folded sheets of paper in a single pass. It will shred and destroy compact discs, floppies and credit cards. Both machines have an auto start/stop control. Click on our web site at www.royal.com for more details including price and product availability.