Swingline Electric Stapler, Commercial, Heavy Duty, 20 Sheet Capacity, Black (06701) JAM-FREE COMMERCIAL ELECTRIC STAPLER  Durable, AC-powered electric stapler comes with a jam-free guarantee. Strong stapler is designed for repeated commercial use, built with durability in mind. SECURES 20 SHEETS  Sturdy stapler fastens up to 20 sheets of paper and works best with Swingline S.F. 4 Premium Staples. ACCURATE STAPLE PLACEMENT  Adjustable paper guide allows for precise staple alignment, making it the perfect choice for persnickety users. EASY CONTROLS  Handy knobs on either side of the stapler help with refills and adjustments. One ejects the staple magazine for easy refills. The other adjusts the depth of paper for precise stapling. STURDY DESIGN - This black stapler offers an easy-to-use design, with suction cups on the base that keep it securely in place during use. BUILT TO LAST  Swingline stands behind this high-quality stapler with a limited 90-day warranty.