PEPPERLONELY Brand 10 Sets Antiqued Bronze Adjustable Ring Cabochon Frame Setting Tray with Clear Round Glass Dome Tile Cabochon 25mm (1 Inch) Quantity: 10 Sets Size: Ring Bases: Tray: about 25mm inner diameter; Inner diameter: 18mm; Glass Cabochons: 25mmin diameter 7.4mm thick. Nickel Free Paste pattern or put some tiny beads in the tray then cover with the clear glass cabochon an unique earring will be finished.