Jenaforte &copy; Sterling Silver Long Single Row Cubic Zirconia Bar Necklace 16" + 2" Extension .925 Sterling silver, Nickel-free guarantee. Available on Rhodium, Gold Plated finish. Single row long CZ bar necklace 16" + 2". Adjustable Length from 16" to 18" Made in the U.S.A. by master jewelry craftsmen.