Crown 7007G Metallic Gray MIL-P-46105(MR), MIL-P-21035B, AND DOD-P-21035A, ASTM B-117 Cold Galvanize Coating, 1 gallon 93 percent pure zinc in a dry film Light gray, matte finish, Outstanding weld-through primer Zinc sacrifices itself to protect the base metal surface Provides protection equal to or better than hot-dipped galvanizing