" Spool of Thread " Dangle Charm Beads 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. Size: Hole is 4.5mm slide on Core (not threaded) Material: Zinc Metal Alloy, Size: Hole of the charms is 4.5mm slide on Core (not threaded)