U-Bolt, Standard, 304 Stainless Steel, Finish Plain, Thread Size 5/16 In.-18, Thread Length 1 in, Inside Length 2 3/16 in, Inside Width 1 3/8 in, Pipe Size (In.) 1 in, Characteristics Has Coarse Rolled Threads, for Steel or Wrought Iron Pipe Sizes, Includes 2 Hex Nuts, Package Quantity 10