SEXY SPARKLES Scuba Diving Mask and Snorkel Charm Bead for European Snake Chain Charm Bracelet Quantity: One Charm Size Hole is 4.7mm slide on Cores(not threaded) Fits and compatible with Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains Material: Zinc Metal AlloySilver Plated Base One Sided Scuba Diving Mask and Snorkel Charm Bead for European Snake Chain Charm Bracelet