Fine Silver 5.25mm Embeddable Jump Ring. A pure silver item for use with Metal Clay. The outside diameter of the ring is approx5.25 mm, with an internal diameter of approx 2.4mm. The embeddable leg is approx 9.3mm long. The leg features indentations to give a good bond to the clay and is offset to enable you to postion the ring flush with the back of your work. Sold in packs of 15 pieces. How to use Embeddable Jump Rings