Beadaholique 5-Piece Plated Chain Necklace Extender, 2-Inch, Silver
Real Silver plated base metal. Just attach one of these to the end of your necklace using a jump ring or a split ring. Then you can fasten the clasp on any part of the chain, and Voila. you have an adjustable necklace. Quantity: 5 extenders. Includes lobster clasp. Measurements: each extender is two inches long, plus a 12mm for the clasp on the end. Chain is 3.4mm wide.