Combination Conduit Coupling, Steel, Trade Size 3/4 in, Overall Length 2 21/32 in, Finish Zinc Plated, Compatible Conduit Type EMT, IMC, RMC, Conduit Fitting Type Coupling, Standards UL 514B, UL Listed, For Use With Unthreaded EMT, For Conduit Type EMT, IMC, RMC, Overall Height 1 1/16 in, Overall Width 1 1/16 in, Weight 0.23 lb, Color Gray, Compatible Conduit Trade Size 3/4 in, Connection Orientation Straight, Connection Type Set Screw, Inside Diameter 0.92 in, Outside Diameter 1.06 in