Known for its power and waste capacity,this Dahle Department Shredder provides a practical solution for accommodating the shredding needs of even the busiest offices. This is a Security Level 5 machine and considered espionage safe for extremely high demands of document security. Its attractive design and large waste bin make this a nice addition to any large office, copy room or communications center. The Dahle 20831 EC has a larger feed opening to easily accommodate letter, legal and wide computer paper. It has a maximum sheet capacity of 13/15sheets at a time and features a large capacity waste bin capable of holding35 gallons of shredded material. A solid steel frame houses and aligns two perfectly matched cutting cylinder smilled from a single bar of German Solingen steel. Its this design that maximizes durability and minimizes flexing to produce a consistently fine 1/32" x 7/16" particle size. Properly oiling this Department Shredder is the key to maintaining optimal performance. Due to its function,this Department Shredder will be placed in a common area and have multiple users. As a smart alternative of ensuring your machine receives proper oil, we recommend adding an Automatic oiler.