Snowflake Obsidian Stone Bead For Snake Chain Charm Bracelet Quantity: One Charm Material: Natural Stone Beads Silver slide on Core 4.5mm (not threaded) Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets. Material: Zinc Metal Alloy Silver Core w/ Genuine Natural Snowflake Stone Bead Compatible for Most European Snake Chain Bracelets