The GRS ID Ring Holder takes ring fixtures to a new level. The expansion cones assure equal pressure on both sides of the mandrel as it grips the inside diameter of the ring. When using the Standard Cone the ring drag can be set to allow smooth rotation of the work-piece while setting stones or engraving the ring surface. The unique locking action of the Locking Cone allows the user to hold the ring in position without rotation and provides a steady platform on which to raise beads or pave set. Because of portability, the ID Ring Holder is a great alternative to bulkier and more expensive choices. This ring holder is a good economical option when users need a simple, functional, and quality workholding solution. Fur use with and GRS block or vise. ID Ring Holder is not compatible with GRS BenchMate.