Plastic Discs for Rimset Crystal & Stone Settings (Backing Inserts)

These plastic discs are backing inserts for rimset crystal, stone, and jewel settings. The stone and disc are set into the rim together to help keep the stone seated and secure.

Perfect for leatherworkers and makers creating dog collars, belts, handbags, straps, tack, and custom western accessories. Use them as a reliable backing option when setting flat-back stones into rimset hardware.