Pull-Out Extension Table: For larger size jobs. Reduces overall foot print when not in use. Patented Quick Change Die System “QCDS.” 24 inch (610 mm) Open Ended Punching: Allows for Wider Applications. 25 Cycles Per Minute. Rated up to 40 sheets or up to 80 Pages of 20 pound (80 gsm). The number of sheets depends on the paper weight and punch pattern used. EXTRA HIGH Capacity Chip Tray. Large Slide-Out Container.Neverworryaboutover-flls. Smooth, Quiet, Power on Demand Operation. All Punch Pins easily disengage. Built-In Die Storage: Conveniently store up to two 24 inch (610 mm) Dies Behind the HD7500H. At last! A place to store your extra punch tools. 3 Year Warranty.