´╗┐The Hader Bar Impression Coping ensures accurate positioning of the Hader Bar Processing Jig in the impression even if the bar is worn or overpolished. The coping seats securely onto a Hader Bar while the impression is being made, and it is reusable. Free ground shipping (United States only) for the coping is available online. For more information, call (800) 243-9942 or visit