4x9mm Alphabet Charm- Letter O. 15mm clear cystal encrusted letter O inside a rhodium circle dangles from the bead. Perfect for personalizing! Excellent quality and value. Our enhanced rhodium plating process creates an exceptional finish and increases durability. The large hole is compatible with all major brands of create your own jewelry as well as a wide variety of stringing materials, including our own add a bead bracelets and bangles.