I Love Knitting 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) I Love Knitting Dangle Charm Beads for Snake Chain Charm Bracelet Fits and compatible with All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.