Ten (10) Assorted Black and White Glass Lampwork, Murano Glass Beads for European Style Bracelets Quantity: 10 Beads Size Hole is 4.5mm slide on Cores(not threaded) Fits and compatible with Pandora, Biagi, Chamilia, Zable, charmed memories and Troll Chains Material: Zinc Metal Alloy Ten (10) Assorted Black and White Glass Lampwork, Murano Glass Beads. Styles You Will Receive Are Shown in Picture Assorted Random Mix 10 Beads