Threaded Coupling - Three-Piece Iron Trade Size 3 1/2 in Overall Length 3 1/2 in Finish Plain Compatible Conduit Type IMC RMC Thread Size 3 1/2 In.-8 Thread Type NPT Thread Gender Female to Female Conduit Fitting Type Coupling Standards cUL For Use With Threaded Metallic Conduit For Conduit Type RMC IMC Overall Height 5 3/16 in Overall Width 5 3/16 in Weight 6.02 lb Color Gray Compatible Conduit Trade Size 3 1/2 in Connection Orientation Straight Connection Type Coupling