Make your looks last with shine and use this 925/10 silver-filled 4mm, 19 gauge open jump ring. Jump rings can be used to attach clasps, jewelry wire and other components to bring your whole look together! This jump ring is made of 10% silver, compared to 925/20 silver-filled which is only made up of 5% silver. The silver is mechanically bonded to a brass core for a sturdy structure, allowing you to create incredible pieces that have that perfect professional look. With its shiny silver polish, you can mix this finding with any color palette for a lovely complement.