Jam-free heavy-duty stapling. Durable all-metal construction delivers superior performance while operating jam-free with No-Jam™ technology. Antimicrobial agent protects the stapler from the growth of germs. Non-skid rubber feet for stability and desktop protection during high-volume jobs. Adjustable paper stop ensures consistently professional staple placement. Handles 2 to 215 sheets of paper. Uses 1/4" to 15/16" SB35 Series premium heavy-duty staples. High Capacity Stapling: Yes; Flat Clinch Plate: No; Tacking: No; Type of Staple Used: Heavy-Duty.