Type: Round Bend U-Bolt with two hex nuts Material: Low carbon steel Finish: Zinc-plated (Part #50080-7) or Hot Galvanized (Part #53080-4) Thread Size: 3/8"-16 UNC Inside Width: 1-1/2 in Inside Length: 2-1/2 in Thread Length: 1-1/4 in Pipe Size: 1 in