Silpada N0720 3” Double Chain Sterling Silver Necklace Bracelet Extender with Lobster Clasp Vintage extender and hard to find now. Featured in the 2005-2006 catalog, pg 68P Measures 3” long (see photo) Hallmarked “925” Sterling Silver, Silpada Arrowhead Logo stamp, and “CHINA” on the hangtag. Silpada jewelry is of exceptional quality, made with detailed craftsmanship, and designed by artisans from around the world. Every piece is worked for many hours and sometimes days to create these excellent hand-made pieces. Each piece is nickel free and .925, the highest grade of sterling made. All pieces are best quality solid .925 sterling silver and stamped; plus the finest semi-precious, composite, and man-made materials available.