Punches Cleaner & Easier, Absolutely Jam Free. Advanced dies make punching 40% easier. A portion of the proceeds is donated to CancerCare a nonprofit organization providing free services to people facing a cancer diagnosis. Compact size with space-saving lock-down handle. Internal waste chamber with easy-access rear door. Convenient ruler with paper guide. 12 sheet capacity - jam free mechanism. Non-slip rubberized base. 3 year limited warranty.