PEPPERLONELY Brand 10 Sets Silver Tone Brass Cabochon Frame Setting Tray Clip On Earring Base with Clear Round Glass Dome Tile Cabochon 20mm (3/4 Inch) Quantity: 10 Sets Makes 5 Pair of Earrings Size: Earring Setting Components: about 20mm in diameter Tray: about 18mm inner diameter Glass Cabochons: about 18mm in diameter 4mm thick. Paste pattern or put some tiny beads in the tray then cover with the clear glass cabochon a pendant will be finished.