Standard U-Bolt, Standard U-Bolt, Steel, Finish Hot Dipped Galvanized, Thread Size 3/8 In. -16, Thread Length 1 1/8 in, Inside Length 2 3/4 in, Inside Width 1 3/4 in, Pipe Size (In. ) 1 1/4 in, Characteristics ASME B 18.2. 2- ASTM A563 Grade A, Includes (2) Nuts, Package Quantity 10