Standard U-Bolt Standard U-Bolt Steel Finish Hot Dipped Galvanized Thread Size 1/2 In.-13 Thread Length 2 in Inside Length 7 1/4 in Inside Width 5 5/8 in Pipe Size (In.) 5 in Characteristics ASME B18.2.2- ASTM A563 Grade A Includes (2) Nuts Package Quantity 5