UNILETS Flexible Coupling, Trade Size: 1/2 IN, Outside Diameter: 1.41 IN, Flex Length: 36, Bending Radius 10 IN, Flexibility: Rigid And IMC, Material: Outer Bronze Braid And Inner Brass Core With Insulating Liner, End Type (1) Male Nipple, (1) Union, Finish: Natural, Flex Length: 36 IN, Standard: UL 886 (1203), UL File Number E10444, CSA C22.2 No. 25, C22.2 No. 30, CSA 065181 Certified, Class I, Division 1 And 2 And Class II, Division 1 And 2, Suitable For Class I, Groups A, B, C, D, Class II, Groups E, F, G, Class III, For Use With Threaded Rigid Metal Conduit And IMC