Product Description The Swingline Heavy Duty Stapler brings strength and durability to support busy offices. Strong, all-metal construction ensures that this stapler stands up to the demands of frequent use in a fast-paced office. Solidly secure even the most daunting stack of paper - heavy duty stapler fastens an impressive 160 sheets. 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. Stapler maintains functionality with a built-in, front end jam clearing mechanism that prevents disruptions. The precision alignment guide helps ensure accurate placement, while the full, 2-5/8" throat depth delivers maximum performance and increased flexibility. A complete case of four staplers allows you to spread them throughout the office for easy access. This heavy duty, sleek, gray stapler is built to take on big jobs.. Amazon.com Providing work-horse reliability for heavy-duty stapling applications, the Swingline S7039002R Deluxe Heavy Duty Stapler includes durable, all-metal construction for years of superior performance. A paper adjustment guide is also included, a feature that ensures jobs of up to 160 sheets of 20-pound paper are stapled with precision. Other useful features include a 2-3/4-inch throat depth for flexibility and control, and soft-touch materials for added comfort. Compatible with Swingline heavy-duty staples in 1/4-, 3/8-, 1/2-, and 3/4-inch lengths, the stapler comes with a front-end jam-clearing mechanism for added precision. The stapler is backed by a manufacturer's limited lifetime warranty.