U-Bolt, Round Bend, Steel, Finish Hot Dipped Galvanized, Thread Size 7/8 In.-9, Thread Length 4 1/4 in, Inside Length 19 5/16 in, Inside Width 16 1/8 in, Pipe Size (In.) 16 in, Characteristics ASME B18.2.2- ASTM A563 Grade A, Includes (2) Nuts, Package Quantity 3