Established in 1952, Ross-Simons brings jewelry classics into the modern era. The length of a necklace greatly impacts the way it looks with your wardrobe. This extender can bring a new length to nearly any necklace by simply attaching it to the back. Measuring 3" from end to end, the design comprises a 1.8mm cable chain with a lobster clasp. Necklace sold separately. 14kt white gold extender. Each Ross-Simons item arrives in a fine jewelry presentation box. Shop Ross-Simons jewelry risk-free as all items include a 30-day, 100% money-back guarantee.