Tibetan Style Bead Caps, Zinc Alloy Bead Caps, Lead Free and Cadmium Free and Nickel Free, Antique BronzeSize: about 8mm in diameter, 2.5mm thick, hole: 1mm.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.