The Iced Canary Locked Ball Tennis Chain Necklace in Yellow Gold – 6mm features a double row of tennis chains with precisely set canary stones, finished with a polished yellow gold locked chain and a row of balls for a clean, modern look. Designed with a smooth, flexible feel and lightweight profile, this chain sits comfortably on the neck. This product is guaranteed for life - GLD will repair the item should you experience any defects in craftsmanship or breakage. Specifications Length Weight 16" 59g 18" 67g 20" 75g Width 6mm. (Weight can vary +/- 1 gram).