Pro Jewelry .925 Sterling Silver Hollow "Butterfly" Barrel Spacer Charm Bead for Snake Chain Charm Bracelet 2313 Quantity: 1 Bead Material: S925 Solid Silver Single slide on Core 5.1mm (not threaded) Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Kay, Carlo Biagi, Zable, and other add-a-bead bracelets.