PJewelry .925 Sterling Silver Clear Crystal Charm Bead Quantity: 1 Bead Size:Hole is 4.5mm Material: 925 Sterling Silver Single slide on Core (not threaded) with Crystal Fits: All major Brand Bracelets, such as Brighton, Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.