Heavy-duty stapling without the staple jams. All-metal stapler features No-Jam™ technology to eliminate staple jams for superior performance. Adjustable paper stop provides consistent accuracy for a professional finish. Antimicrobial agent protects the stapler from the growth of germs. Non-skid base provides desktop protection and stability during high volume use. 2 to 130 sheet capacity. Uses 1/4" to 5/8" SB35 Series Premium Heavy-Duty Staples. High Capacity Stapling: Yes; Flat Clinch Plate: No; Tacking: No; Type of Staple Used: Heavy-Duty.