Renz DTP-340 Interchangable Punch

2 minute die change! The die is secured with quick release screw on each end of the machine. Handles are built in for easy removal. No adjustment needed after die change when using the same paper size . Each die comes complete with top cover, back stop, side guide, and depth (margin) adjustment so that the die maintains all of its settings when it is reinstalled. Instant pin selection. Externally selectable pins for fast changes in paper size. Oval holes for plastic spiral binding makes the binding process much easier Increased punching power - up to 32 sheets. Adjustable punch margin can be set for thick or thin books. High quality punching dies are built to last.