14K Gold Filled Fine Beading Chain By The Foot 2.2mm. New 14 karat gold filled unfinished chain. Perfect for making necklaces, bracelets and anklets. Sold by the foot so you always get the amount you need. Jewelry that is gold filled has gold content equal to 1/20th or more of the total weight of the metal in the piece. It measures approximately 2.2 mm thick.