Swingline Electric Stapler, Heavy Duty, Cartridge, 25 Sheet Capacity, Black (50201) DURABLE CARTRIDGE ELECTRIC STAPLER  High-performance AC-powered electric stapler is ideal for large stapling jobs. CARTRIDGE INCLUDED  Comes conveniently pre-loaded with a 5,000-staple cartridge (50050), allowing you to jump into big projects immediately. SECURES 25 SHEETS  Hardworking electric stapler can securely fasten up to 25 sheets of 20-pound paper. PATENTED CARTRIDGE  Patented cartridge technology delivers 5,000 staples without the need for a refill, allowing you to maintain long-term productivity and efficiency. COMPACT DESIGN  Compact stapler offers a sleek, modern design that helps conserve desktop space, while the black coloring allows it to blend in with the rest of your supplies. BUILT TO LAST  Swingline stands behind this high-quality stapler with a limited 2-year warranty.