Piano Keyboard Musical Instrument Charm for Snake Chain Charm Bracelet Quantity: 1 Beads Fits Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets. Material: Zinc Metal Alloy Size: Hole of the charms is 4.5 mm slide on core (not threaded) Piano Keyboard Musical Instrument w/ Music Note Treble Clef Charm Spacer Bead Fits Pandora Troll Chamilia Biagi Bracelet