U-Bolt, Round Bend, Steel, Finish Black Oxide, Thread Size 5/16 In.-18, Thread Length 1 in, Inside Length 2 3/16 in, Inside Width 1 1/2 in, Pipe Size (In.) 1 in, Characteristics ASME B18.2.2- ASTM A563, Grade A, Includes (2) Nuts, Package Quantity 190