Hubs (Myers) for RMC/IMC 316 Stainless Steel Trade Size 4 in Overall Length 5 1/2 in Finish Polished Insulated Yes Compatible Conduit Type RMC IMC Thread Size 4 in Thread Type NPT Conduit Fitting Type Hub Standards UL For Use With Threaded Metallic Conduit For Conduit Type RMC IMC Overall Height 4 in Overall Width 4 1/2 in Weight 4.06 lb Compatible Conduit Trade Size 4 in Connection Type Threaded Includes Stainless Steel Locknut Indoor/Outdoor Usage Indoor/Outdoor