Pandahall 10sets 25mm Iron Brooch Making Transparent Clear Domed Magnifying Glass Cabochon Cover Bezel Setting for Women Brooch Back Safety Catch Back Round Bar Pins Qty: 10sets =10pcs Cabochon Tray Setting + 10pcs Glass Cabochon Finish: Nickel Free Color: Antique Bronze Size: Brooch: about 26mm in diameter, hole: 2mm, pin: 0.8mm; Tray: 25mm; Glass Cabochons: 25mm in diameter, 7.4mm thick. Paste the lovely pattern or put some tiny beads in the tray, then cover with the clear glass cabochon, a unique brooch will be finished.