CM® 671445 Proof Coil Chain, Grade 30, Full Drum, Zinc Plated Finish, 4,500 lb Working Load Limit, 1/2 in Chain

Grade 30 chain, commonly called Proof Coil, is manufactured to meet ASTM and NACM specifications. Typical uses include barrier chains, trailer safety chains, light construction, marine industry, etc. Grade 30 chain is available in a wide assortment of finishes and packaged configurations. It should not be used for overhead lifting.