Compression Coupling Iron Steel Trade Size 3 1/2 in Overall Length 6 1/2 in Finish Zinc Plated Compatible Conduit Type RMC Conduit Fitting Type Coupling Standards CSA Certified UL Listed For Use With RMC For Conduit Type IMC RMC Overall Height 5 3/16 in Overall Width 5 3/16 in Weight 4.15 lb Color Gray Compatible Conduit Trade Size 3 1/2 in Concrete Tight Yes Connection Orientation Straight Connection Type Threaded