925 Solid Sterling Silver Bands of Purple Crystals Safety Chain Clip Lock Charm Bead Quantity: 1 Bead Solid 925 Sterling Silver Open and Close Lock Approximately 3.2mm Hole Size Size: 11mmx5mm Compatible with all European style Add a Bead brands and spacers with a core size of 3.5mm and up. such as Pandora Troll Chamilia Kay's