... 1.Material: U1, U2, U3 2. Type: Open and Stud 3. Certificates:CCS, ABS, etc. u3 and u2 marine anchor chain Originally studs ... to order with optional extras with open end links, welded swivel assemblies, D type anchor shackles. Open Link Chain Diameter: 1/ ... be caused during storage or transportation.Package material: wooden case and iron drum or bracket Quality of Anchor ChainShanghai Metal Corporation ...