7" Ring Mandrel For Jewelry Repair. This is a new wood ring mandrel. Can be used for shaping and removing dents from rings. An essential tool for the jeweler, goldsmith, silversmith and metal worker. It measures approximately 7" long. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.