Metal Adjustable Blank Rings Base Findings DIY Supplies Pad Jewelry Making (Ship From USA--100pc Blank Ring Base) Ring size (U.S.): Adjustable Metal type: Base metal Setting type: Pad These adjustable rings have a round pad for soldering on components or gluing on cabochons, metal clay, glass designs or even Raindrop resin molded components you create yourself! If youre using epoxy, scuff the silver surface with sandpaper to create a good surface for your adhesive.