Threaded Coupling - Three-Piece Iron Trade Size 4 in Overall Length 3 15/32 in Finish Zinc Plated Compatible Conduit Type IMC RMC Thread Size 4 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 3/4 in Overall Width 5 3/4 in Weight 7.24 lb Color Gray Compatible Conduit Trade Size 4 in Connection Orientation Straight Connection Type Coupling