U-Bolt, Long Tangent, 304 Stainless Steel, Finish Plain, Thread Size 1/4 In.-20, Thread Length 2 1/2 in, Inside Length 2 15/16 in, Inside Width 7/8 in, Pipe Size (In.) 1/2 in, Characteristics Has Coarse Rolled Threads, for Steel or Wrought Iron Pipe Sizes, Includes 4 Hex Nuts