14k Gold Filled Large Oval Chain, Pick between Twisted, Hammered, Flat or Round Wire. Measured roughly to be about 14mm x 20mm. One of my most heftiest chains I have in Gold Filled. The Gauge of the Round Wire comes out to be about 16 Gauge. Made in the USA 14K Gold Filled Large Oval Chain, Soldered, 14mm X 20mm, 6 Inches Or 1 Foot, Pick Your Style, Usa