The Swingline Optima A7074132 is an adjustable punch with spill-resistant chip cartridge that contains paper chips until it is time to empty them. It takes up to 50 percent less effort than standard desktop punches for more efficient punching of up to 25 sheets of 20 pound paper at a time with crisp 9/32 Inch holes. Prevent paper chips from spilling onto your workspace with new, innovative spill-resistant, translucent chip cartridge. Eliminate the frustration of chips falling out all over the work area! For more efficient storage, the handle also locks down for those times when work space is a commodity. The Swingline Optima A7074132 is a quality product you can depend on that is backed by a manufacturer"s limited lifetime warranty with a 100 percent performance guarantee. Swingline, a leading brand in workspace tools for the business, home and mobile office for over 80 years continues to introduce new staplers, sharpeners, punches and trimmers that solve common workplace frustrations and increase productivity. With unmatched quality, durability and performance, Swingline products are truly designed for the way you work!