Standard U-Bolt Standard U-Bolt 304 Stainless Steel Finish Plain Thread Size 1/4 In.-20 Thread Length 5/8 in Inside Length 1 1/4 in Inside Width 3/4 in Pipe Size (In.) 3/8 in Characteristics Has Coarse Rolled Threads for Steel or Wrought Iron Pipe Sizes Includes 2 Hex Nuts Package Quantity 10