Square U-Bolt, Square U-Bolt, Steel, Finish Zinc Plated, Thread Size 3/8 In.-16, Thread Length 5 5/8 in, Inside Length 9 in, Length (In.) 9 in, Inside Width 6 in, Characteristics Has Coarse Rolled Threads, for Steel or Wrought Iron Pipe Sizes, Includes (2) Nuts, (2) Washers, Package Quantity 35