Jenaforte &copy; .925 Sterling Silver Rhodium Plated Large 79mm Curved CZ Bar Necklace 16" + 2" Extension .925 Sterling silver, Rhodium plated finish, Nickel-free guarantee. Large 79mm curved CZ bar necklace, 16" +2" Weight: 3.90 | Width: 0.15cm | Length: 7.9cm Dimensions: 79mm X 1.5mm Made in the U.S.A. by master jewelry craftsmen.