Pro Jewelry 10 Glass Beads "Spring Mix Random Mix 10 Beads" Charm Bead for Snake Chain Charm Bracelets 10 Beads Murano Glass in Shades of Spring Mix Random Size: 10mm x 7mm ,Hole is 4.5mm slide on Cores(not threaded) Fits Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains