... machine made steel link chain with blue zinc plated1. Material: carbon steel , Q195 , Q2352. OEM is welcome3. Standard: DIN5685 A/C ... 1/2 , 5/8 , 3/4 ,7/8 , 110. Long link chain: 1/8 , 5/32 , 3/16 , 7/32 , 1 ... /8 , 3/4 ,7/8 , 111. Din5685 A/C short/long link chain: 2 ,2.5 , 3 , 3.5 , 4 , 4 ... 20 , 23 , 26Our company supply in many kinds of link chain . If you interested in our items , pls free to contact ...