PaperPro 12-Sheet Capacity 3-Hole Punch, Rubber Base, Gray: * Advanced dies make punching 40 percent easier * Compact size with space-saving lock down handle and internal waste chamber with easy-access rear door * Convenient ruler with paper guide * 12-sheet capacity * Jam-free mechanism * Non-slip rubberized base * Sheet capacity: 12 * Operating method: manual * Number of holes: 3