Ten Pack of Assorted Colors Glass Lampwork Murano Glass Beads For Snake Chain Bracelets Quantity: 10 Material: Zinc Metal Alloy + Glass Silver Base Metal Size Hole of the charm is 4.5mm slide on core (not theaded) Ten Pack of Assorted Colors Glass Lampwork Murano Glass Beads For Snake Chain Bracelets its: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.