The ShredderShark SH5315CD is a 15-sheet crosscut extra high security shredder designed for moderate to heavy volume home or office use. The SH5315CD employs a patented Rantech technology which shreds documents into multiple chip sizes (3 sizes: 4x30mm, 4x40mm, 4x50mm) making it significantly more secure than single chip size type shredders.The SH5315CD has a heavy duty motor capable of shredding 12 sheets at a time for 3 hours continuously giving it a duty cycle of over 56,000 letter size sheets per day. The SH5315CD also has a special dedicated media slot and chip collector for CDs, DVDs, and credit cards. The SH5315CD comes standard with a large 7.85-gallon cabinet style basket with removable chip drawer for easy emptying and casters for easy moving.