Threaded Coupling - Three-Piece Iron Trade Size 2 1/2 in Overall Length 3 1/8 in Finish Zinc Plated Compatible Conduit Type IMC RMC Thread Size 2 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 4 1/16 in Overall Width 4 1/16 in Weight 4.13 lb Color Gray Compatible Conduit Trade Size 2 1/2 in Connection Orientation Straight