Durston Gem Ring Stretcher

The new Durston Gem Ring Stretcher is designed to effortlessly enlarge stone-set rings while protecting prongs and stone settings from stress. It operates by stretching the metal and rolling out the shank, enabling the ring to increase in size without risking damage. The tool includes a 17-piece roller set which accommodates most ring sizes, typically starting from US size 4-3/4 or UK size J and above. The Gem Ring Stretcher comes with an organizer case for neat storage of all components. Constructed from powder coated cast iron for durability, it features pre-drilled holes so it can be permanently bench-mounted for stability in professional repair workshops. The metal rollers include different profiles (flat, D-section, comfort-fit, etc.) to match various ring shank thicknesses and designs, minimizing the risk of thinning the shank or deforming the setting during use.The Durston Gem Ring Stretcher is a highly specialized tool designed for enlarging stone-set rings safely and precisely. It stretches the ring shank by rolling the metal, allowing the ring to expand in size without loosening prongs or stressing stone settings. The set includes 17 rollers to fit most ring profiles, and the rollers are organized for easy storage. Made of powder-coated cast iron, the tool is durable and built for long-term use. Pre-drilled holes in the base allow for secure mounting to a workbench, providing stability and convenience in professional jewelry repair environments.