Compression Connector, Size: 1 IN, Connection: Male Threaded X Compression, Material: Malleable Iron And Steel, Length: 1.63 IN, Thread Length: 0.63 IN, Diameter: 1.88 IN, Standard: UL 514B, UL File Number E14814, NEMA FB-1, For Use To Secure And Terminate Steel EMT To Knockouts And Concrete Tight Box