U-Bolt, Long Tangent, Steel, Finish Hot Dipped Galvanized, Thread Size 3/8 In.-16, Thread Length 2 1/2 in, Inside Length 4 in, Inside Width 2 in, Pipe Size (In.) 1 1/2 in, Characteristics ASME B18.2.2- ASTM A563 Grade A, Includes (4) Nuts, Package Quantity 74