... 1.material:carbon steel 2.diameter:2-25mm 3.automatic machine made 4.we are manufacturer galvanized iron chain1. material ... , hot galvanized , self color are available for your options 3. grade:g30 , g43 , g804. accessory:can be supplied ... . Din5685 A/C short/long link chain: 2 ,2.5 , 3 , 3.5 , 4 , 4.5 , 5 , 5.5 , 6 ... 26 ,28 , 30 , 3213. Din763 link chain: 2, 2.5 , 3 , 3.5 , 4 , 4.5 , 5 , 5.5 , 6 , 7 ...