.999 silver bezel cup with a decorative, serrated edge and holds one 5mm round cabochon, flat-back stone, or crystal. This bezel is a great choice for jewelry designs made with Aussie Metal Clay� You can embed in your Aussie Metal Clay or attach to your piece with Kim's Claystay and fire in place.� Set� your stone after firing, unless a fireable stone.� Use with stone or glass cabochons, for flat-back stones or crystals, or with resins to create everything from earrings to cuff links to pendants. You can also solder the bezel cup to a finding or design, and set as desired.