" Happy Birthday" Dangle Charm Bead For Snake Chain Charm Bracelet Quantity: One Charm Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets. Material: Zinc Metal Alloy Silver Metal Base " Happy Birthday" Dangle Charm Bead Fits and compatible with All Brand Charm Bracelets Troll, Chamilla, Biagi and Pandora Size: Hole of the charms is 4.5mm slide on Core (not threaded)