Standard U-Bolt Standard U-Bolt 304 Stainless Steel Finish Plain Thread Size 3/8 In.-16 Thread Length 1 1/4 in Inside Length 2 1/4 in Inside Width 1 in Pipe Size (In.) 1/2 in Characteristics Has Coarse Rolled Threads for Steel or Wrought Iron Pipe Sizes Includes 2 Hex Nuts Package Quantity 10