BENCH WIZARD Jeweler's Ring Enlarger Set (TJ01-09775) is a meticulously designed tool set that caters to the needs of professional jewelers and hobbyists alike. This set is an indispensable asset for resizing and customizing rings, including those with delicate stone settings. One of the key features of this ring enlarger set is its 17 hardened rollers. These rollers are designed for extended, heavy-duty use, ensuring durability and precision over time. The variety of roller sizes allows for a perfect fit with different ring bands, making the tool versatile for a wide range of ring sizes and styles. The overall dimensions of the set are approximately 7-1/4 inches in length and 3-3/4 inches in height. It also includes a metal handle measuring 2-1/2 inches, designed for a secure and comfortable grip during use. Mounting the ring enlarger is made easy with pre-drilled holes for bench mounting. For added flexibility in installation, it can also be mounted using 3 screws and a plank of wood, catering to different workshop setups. Using the ring enlarger is straightforward and efficient. Once the appropriate roller is chosen and placed in the machine, the ring is positioned, the handle is tightened, and then the handle is rotated to enlarge the ring. This process is designed to be gentle yet effective, suitable for enlarging stone-set rings without causing damage.