Patented Auto Reverse Feature. Our Overload Detection Feature triggers an auto-reversing function to reduce jamming in the punch. 2-Bolt EZ Change Die System. The HD6500 Has More Than 20 Interchangeable Dies Available. 12 Hole Patterns are standard. (Each die is priced separately). Combs Wire Loop Plastic Coils Velo Bind™ GBC 3 Hole Loose Leaf 25 Cycles Per Minute. Pre-set Paper Stop Guide for easy setup. 14 inch (356 mm) Open Ended Punching, Allows for Wider Applications. All Punch Pins easily disengaged. Easy, “Paper to Pin,” sight alignment, for balanced hole to edge margins on odd-sized applications. Standard Foot Pedal, optional Versa Switch, or Palm Switch. 3 Year Warranty. Smooth, Quiet, Power on Demand Operations. Large EZ View Chip Tray. All Metal Fabrication.