The Swingline Optima Desktop Stapler SWI87800 is designed with a die-cast, all-metal construction for enhanced durability and performance. It can staple up to 25 sheets of 20 lb. paper, offering 25 percent greater capacity than standard desktop staplers when using S.F. 4 staples. This stapler ensures jam-free performance, making it a reliable choice for both office and home use.