Coupling, Trade Size: 1-1/4 IN, Outside Diameter: 2.31 IN, Length: 2.88 IN, Flexibility: Rigid And IMC, Material: Steel And Malleable Iron, Connection: Compression, Standard: UL 514B, UL File Number E11853, NEMA FB-1, For Joining Lengths Of Steel EMT To Rigid Metal Conduit Or IMC