Flexible Metal Conduit - Reduced Wall Finish Galvanized Steel Trade Size 3/8 in Inside Diameter 0.38 in Outside Diameter 0.61 in Bend Radius 2 in Overall Length 50 ft Flexibility Flexible Corrosion Resistant Gray Conduit Type Reduced Wall Series 5500 CSA 69271 Federal Specification AA-5810 Type IV R14141 UL 1479