Campbell® 0140323 Proof Coil Chain, Zinc Plated, 250'Excellent low carbon steel chain for general purpose applications. Frequently used for fabricating tow chains, binding and logging chains, marine and other general application. Excellent low carbon steel chain for general purpose applications Frequently used for fabricating tow chains, binding and logging chains, marine and other general application Standard finish: Zinc plated Hallmarking: "C3" and "USA" on 5 16" and larger Proof tested Design