Dependable and convenient electric stapler is designed for commercial and heavy use. It staples up to 20 sheets at a time and offers excellent traction during desktop use. Push button quickly to release staple magazine tray. Adjustable paper guide. 100% Performance Guarantee when used with recommended Swingline® S.F.® 4® Premium Staples. High Capacity Stapling: No; Flat Clinch Plate: No; Tacking: No; Staple Capacity: Full Strip (210 Staples).