Desktop stapler requires a low force to fasten 2 to 60 sheets of 20 lb. paper and uses only one staple size. Unique handle staples with 30 percent less effort than traditional desktop staplers. Stapler staples three times as many sheets as traditional desktop staplers. Design features an all-metal construction for long-lasting durability. Stapler uses Swingline 35550 High-capacity Staples.