U-Bolt, Square Bend, Low Carbon Steel, Finish Zinc, Thread Size 3/8 In.-16, Thread Length 1 1/2 in, Inside Length 3 in, Length (In.) 3 in, Inside Width 4 in, Characteristics Has Coarse Rolled Threads, for Steel or Wrought Iron Pipe Sizes, Includes (2) Nuts, (2) Washers, Package Quantity 72