Black Plated Son Screw Core Charm Beads for Snake Chain Charm Bracelet Quantity: 1 Bead Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets. Material: Zinc Metal Alloy Color: Black Plated Size: Hole of the charms is 4.5 mm slide on core (not threaded) Black Plated Son Screw Core Charm Beads for Snake Chain Charm Bracelets A53