Electrical Metal Conduit, Electrical Raceway System Application, Black (Cap) Color, 0.622 In;15.80 MM Conduit Inner Diameter, 0.840 In;21.34 MM Conduit Outer Diameter, Hot Dip Galvanized Finish, 9 FT 11-1/4 In Length, Made In Usa, Steel Material, 100 CT Package Quantity, Superior Protection, Strength, Safety and Ductility For Your Most Demanding Wiring Job Special Features, Ansi/Nema Standard;File #E79211;Ul 1242;Ul Standard Standards Met, 1/2 In;16 MM Trade Size, 0.8 LB/FT Weight