[HIGH PREMIUM QUALITY BEADS] with Single Core Clip - The Silver Insert will NEVER fell out! * Beads are compatible with Pandora, Troll, Chamilia, Biagi & other styles of European bracelets. These beads fit but do NOT represent any of these major brands * All beads are brand new. Hole size is approximately 4.5 to 5mm. * Dimension of beads are approximately 14mm by 9mm. Shape is round disc. * Core is not threaded to easily slide onto various european bracelets & necklaces.