Alloy Bead Caps, Lead Free & Cadmium Free & Nickel Free, Flower, Antique Silver. Size: about 20mm in diameter, 6mm thick, hole: 2mm. Bead caps add an elegant finish to glass and gemstone beads or cultured freshwater pearls. They can direct the attention focus to specialty accent beads in your jewelry designs, also be a great help when mixing small bead spacers with large-hole beads. So buy this and Get 35% OFF 400 pcs Flower Alloy Bead Caps for $29.13 @PandaHall