Finejewelers 10k White Gold .90mm Box Chain Finejewelers is a reputable American Family owned Business since 1955 and now based in New York, we use the highest quality workmanship and materials, and proudly stand behind all of our products. Metal: 10 kt White Gold. Dimensions: Width: 0.90 mm Length: 20.00 Inches Lobster Claw Clasp