DURABLE HEAVY DUTY STAPLER – Strong stapler is designed for long-lasting service, with all-metal construction. Heavy duty desktop stapler reliably stands up to the demands of a fast-paced workplace. SECURES 160 SHEETS – Heavy duty stapler is designed to cover your high-volume stapling needs, securely fastening an impressive 160 sheets. An excellent choice for frequent use in busy offices. HEAVY DUTY STAPLES – For best results, use with Swingline Heavy Duty Staples in 1/4", 3/8", 1/2", 5/8" or 3/4" leg lengths. Select staples based on how many sheets of paper need to be fastened. The stapler only performs well with certain staples based on sheet capacity. SWI35319 160-Sheet Capacity Premium Heavy Duty Staples SWI35312 90-Sheet Capacity Premium Heavy Duty Staples SWI35318 60-Sheet Capacity Premium Heavy Duty Staples SWI35314 25-Sheet Capacity Premium Heavy Duty Staples EASILY CLEAR JAMS – Jams are a thing of the past, with a built-in, front end jam clearing mechanism that prevents disruptions and helps keep your office running smoothly. ACCURATE STAPLE PLACEMENT – Built-in precision staple alignment guide helps ensure accurate staple placement. The full, 2-5/8" throat depth delivers maximum performance and increased flexibility.