Dreambell .925 Sterling Silver Heart Lock Key Simulated Seashell Pearl Dangle European Bead Charm Fits Pandora, Troll, Chamilia, Biagi and other European style 3mm snake bracelets Slide on (non-threaded) Bead Made of 925 Sterling Silver (stamped) with shiny finishing and simulated seashell pearl Hole size is approximately 4.5mm