Rockin Beads Brand, 20 Antiqued Brass Plated Cabochon Setting Bezel Cup Buttons 22mm Outside (20mm Inside Cup), Sold Per Pack of 20 Antiqued Brass Plated Cabochon Setting Bezel Cup Buttons 22mm Outside (20mm Inside Cup), Sold Per Pack of 20 Zink alloy lead safe Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card use with 20mm cab or dome