Liquid-Tight Flex Metal Conduit Trade Size 1 1/4 in Bend Radius 4 in Color Black Approval Rating UL Steel Jacket Material Special Thermoplastic Elastomer Max Operating Temp 302 Degrees F Min Operating Temp -76 Degrees F Nominal Length 50 ft Finish Galvanized Flammability Rating UL 94 HB Flexibility Flexible Indoor/Outdoor Usage Indoor/Outdoor Inside Diameter 1.38 in Jacket Color Black Jacketed Yes Liquid Tight Conduit Application Metallic Outside Diameter 1.63 in