Sterling Silver Filled Jumprings Quantity: 20 Jump Rings Quality: Excellent Metal: Sterling Silver Filled Type: Open Size: 9MM ,, 20 GA Other: Sterling Silver-Filled™ jumprings are made of a bonded layer of sterling silver rolled over a copper alloy center core. This genuine Sterling Silver is hundreads of times thicker than plating . Jumprings are completed with an anti-tarnish coating to preserve the shine. Handles like sterling silver, jumprings can be soldered. We have a variety of this type of beads, plus many more in our eBay store!