14K Solid Gold 1.2mm Box Chain Necklace The classic design of the box chain is a perfect match to any pendant and is crafted in pure, genuine 14k solid gold. 1.2mm width/thickness Available in your choice of 18, 20, 22 and 24 inches Includes the jewelry industry's best-in-class lobster claw clasp closure. Guaranteed 14K Solid Gold. 45-Day Return Policy. Ships free in the U.S.A. (global shipping also available). Gold Chain Weight Gold weight varies based on the length of each chain: 16" weighs approx. 4.0 grams. 18" weighs approx. 4.5 grams. 20" weighs approx. 5.0 grams. 22" weighs approx. 5.5 grams 24" weighs approx. 6.0 grams This is a very sturdy and popular necklace for both men and women!