The Dahle 50214 Small Office Shredder is oil-free and supports the document destruction needs of busy offices with 1-3 users. It features oil-free hassle-free operation SmartPower energy management and Trident Grip jam protection to eliminate frustration. This P-4 shredder produces a 1/8" x 1 9/16" particle size and holds up to 11 gallons of shredded waste. It's German engineered and guaranteed to provide many years of trouble-free operation. OIL-FREE- Wondering when your shredder was last oiled is no longer a concern with this oil-free hassle-free shredder. Through clever engineering this machine maintains peak performance without the aid of oil. JAM PROTECTION- The cylinder design produces three continuous points of contact with the paper. This smooth even pull prevents the paper from becoming wedged to either side and provides unprecedented jam protection. SMARTPOWER- This shredder automatically powers down after 30 minutes of inactivity. It will appeal to those interested in conserving energy as well as reducing electrical costs.