Pro Jewelry Ten (10) "Barrel" Charm Spacers for Snake Chain Charm Bracelets(B19848) Quantity: 10 Beads Size Hole is 5.5mm slide on Cores (not threaded) Fits: All major Brand Bracelets, such as Pandora, Brighton, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.