Rigid Coupling Steel Trade Size 3 1/2 in Overall Length 3 3/32 in Finish PVC Coated Insulated Yes Compatible Conduit Type RMC Thread Size 3 1/2 In.-8 Conduit Fitting Type Coupling Standards UL Listed For Use With RMC For Conduit Type RMC Overall Height 3 3/32 in Color Black Compatible Conduit Trade Size 3 1/2 in Concrete Tight Yes Connection Orientation Straight Connection Type Threaded Includes PVC Sleeves on Both Ends Indoor/Outdoor Usage Indoor/Outdoor Rain Tight Yes