14k white gold, this adjustable box chain measures a width of 0.6 millimeters. The 18 inches can also wear as a 16”, and the 20 inches can also wear as an 18 inches chain secured with a spring...
Double extendable box chain crafted in 14k white gold measuring 0.6 millimeters in width. Extendable 16 to 18 inches in length and secured with a spring ring clasp.