Lucky 777 " Jackpot " Slot Machine 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 Size: Hole of the charms is 4.5 mm slide on core (not threaded) Lucky 777 Jackpot Charm Bead Compatible with Pandora Chamilia Kay Troll Bracelet