Fish Spacer Bead for Snake Chain Charm Bracelet Quantity: One Charm Size Hole is 4.5mm slide on Cores(not threaded) Fits and compatible with Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains Material: Zinc Metal Alloy Fish Spacer Bead for Snake Chain Charm Bracelet. Fits and compatible with Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains.