The Dahle 20394 High Security Shredder is NSA/CSS 02-01 approved and supports the top-secret shredding needs of military and government agencies. It features a powerful chain-driven motor an automatic EvenFlow Lubricator® and integrated jam protection to eliminate frustration. This P-7 shredder produces a 1 mm x 4.7 mm particle size and holds up to 50 gallons of shredded waste. It’s German engineered and guaranteed to provide many years of trouble-free operation.