EMT Conduit - Standard 304 Stainless Steel Trade Size 1/2 in Inside Diameter 0.63 in Outside Diameter 0.7 in Wall Thickness 0.04 in Nominal Length 10 ft Conduit Type EMT Gray Conduit Style Conduit Full NEC Compliance Meets ANSI C80.3 UL File #E315441 UL/CUL 797A Approved Connection Type Set Screw Finish Polished Overall Length 10 ft