925 Sterling Silver Natural Red Carnelian Agate Stone Round Bead For European Charm Bracelets Fits Pandora, Troll, Chamilia, Biagi and other European style Charm 3mm snake bracelets Slide on (non-threaded) Bead Natural Agate with 925 Sterling Silver (Stamped) Grommets Size: approximately 9.5mm wide x 12.5mm diameter Hole size is approximately 4.7mm