Bushing, Iron, Trade Size 2 1/2 in, 3 1/2 in, Overall Length 1 9/16 in, Finish Zinc Plated, Compatible Conduit Type IMC, RMC, Thread Size 3 1/2 In.-8 to 2 1/2 In.-8, Thread Type NPT, Conduit Fitting Type Bushing, Standards cULus Listed, For Use With Threaded RMC, For Conduit Type RMC, Overall Height 4 in, Overall Width 4 in, Weight 2.3 lb, Compatible Conduit Trade Size 3 1/2 in to 2 1/2 in, Connection Orientation Straight, Connection Type Threaded, Outside Diameter 4 in