Standard U-Bolt Standard U-Bolt Steel Finish Hot Dipped Galvanized Thread Size 3/8 In.-16 Thread Length 3 in Inside Length 6 5/8 in Inside Width 3 in Pipe Size (In.) 2 1/2 in Characteristics ASME B18.2.2- ASTM A563 Grade A Includes (2) Nuts Package Quantity 10