Conduit with Threaded Coupling, Metallic Conduit Type Rigid, Conduit Material Galvanized Steel, Conduit Trade Size 2-1/2 In, Conduit Nominal Length 10 ft, Inside Dia. 2-1/2 In, Wall Thickness 3/16 In, Nominal Outside Dia. 2-7/8 In, Special Features Integral Couplings Simplify Installations and Reduce Inventory, Standards UL, ANSI