Many of our customers call looking for "true" metric windlass chain, which isn't always easy to find. Here we have a nice selection of it for you in multiple diameters and lengths. Choose from DIN 766 A4 dimensional chain made from Grade 43, or stronger A7 chain made from Grade 70 steel. All options below feature a tough galvanized finish. Made in the U.S.A. by Acco / Peerless Chain.