Standard U-Bolt, Standard U-Bolt, Steel, Finish Black Oxide, Thread Size 3/8 In.-16, Thread Length 1 1/4 in, Inside Length 2 1/4 in, Inside Width 1 in, Pipe Size (In.) 1/2 in, Characteristics ASME B18.2.2- ASTM A563, Grade A, Includes (2) Nuts, Package Quantity 10