Staples from 20 to 120 sheets with one staple size and 50% less stapling effort. Jam-clearing knob. Versatile adjustment guide. Metal with soft touch accents. Throat depth adjusts to 2". One-button front-loading cartridge for a full strip (100) of 5/8" heavy-duty staples. Package includes 500 staples. Manufacturer``s limited lifetime warranty. All sheet capacities are based on 20-lb. bond.