Bling Jewelry 925 Sterling Silver Block Letter U Alphabet Bead Charm When searching for the perfect gift, look no further than our alphabet charm jewelry. You or your loved one will enjoy all of the opportunities for personalization, letter charm jewlery offer. This lovely charm features a square block shape, finely detailed with an uppercase letter U. Material: .925 Sterling Silver, Enamel Measure: 7 mm L x 7mm W, 5 mm Bead Core Weight: 2 Grams Compatible with Pandora Charms, Biagi, Troll, Chamilia, European Style, Persona, Ohm, Kay&#039;s Charmed Memories and More. Fits both necklace and bracelet 3mm or smaller. The Unthreaded Hole Size is about 4.8mm-5mm.