2013 Bead For Snake Chain Charm Bracelet Quantity: One Charm Bead 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) 2013 Bead For Snake Chain Charm Bracelet. Fits all major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.