EMT Conduit Coupling One-Piece Steel Trade Size 1 1/2 in Inside Diameter 1.61 in Outside Diameter 1.73 in Wall Thickness 0.06 in Nominal Length 10 ft Conduit Type EMT Gray Conduit Style Conduit with Compression Coupling ANSI C80.3 UL 514-B UL 797 Connection Type Compression Coupling Finish Galvanized Integral Couplings