Designed for the way you work, the Swingline Optima (TM) Grip Stapler is ergonomically designed specifically for handheld use. Jam free from the first staple on the strip to the last when used with Swingline S.F. 4 Premium Staples. 100% performance guarantee. 25% greater capacity than other desk staplers, staples from 2-25 sheets of 20 lb. paper with S.F. 4 Premium Staples. Increased strength, superior reliability, die cast all-metal construction. Features a unique blend of soft feel materials to enhance handheld stapling comfort.