Stainless Steel Round Stopper and Rubber Beads for Charm Bracelets 245 Quantity: (1 ,2 or 4 Choose your size from menu) Material:Stainless Steel Core: Sliding Core 4.6mm Design & Color: Stainless Steel with Rubber Fits Pandora, Troll, Chamilia, Kay, Carlo Biagi, and other add-a-bead bracelets.