925 Sterling Silver Round Birthday Crystal Bead for European Charm Bracelets Fits Pandora, Troll, Chamilia, Biagi and other European style 3mm snake bracelets Slide on (non-threaded) Bead .925 Sterling Silver (stamped) grommets (double cores) with Crystals and Colophony Hole size is approximately 4.3mm Size, color and shape of each piece may vary due to handmade.