Ideal for stone setting or engraving UK ring size D-M 1/2 Includes a box for easy organization This set includes a ring clamp A ring setter clamp with nylon split collects inserts set is an invaluable tool for jewellers and anyone working with rings. It helps maintain precision and control while preventing damage to the ring. The nylon inserts provide a gentle yet secure grip, making them ideal for delicate and high-value rings. Whether you're resizing, setting stones, polishing or engraving, this tool ensures that the rings stay stable and protect through the process.