High-performance electric stapler has exceptional capacity, speed & stamina ? for any job you bring its way. Patented cartridge technology for 5,000 staples without reloading! Flat-clinch mechanism staples 2 – 70 sheets of 20-lb. paper with a single staple size -? for unparalleled flexibility & easy, neat stacking. Precision adjustment guide for perfect alignment. Superior machine engineering for years of heavy use. Pre-packed with a cartridge of 5,000 staples: Swingline ® #69495. Stapler Type: Electric, Flat Clinch; Staple Capacity: Cartridge (5,000 Staples); Size of Staple Used: 3/8"; Type of Staple Used: Cartridge.