PJewelry Set of Ten (10) Glass Beads Shades of Royal Blue Random Mix 10 Beads for Snake Chain Charm Bracelets 10 Glass in Shades of royal blue Mix Beads Size: 13mm x 7mm ,Hole is 4.5mm slide on Cores(not threaded) Fits Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains