Conduit Coupling; Type Screw-In; Trade Size 1-1/2 Inch; Material Die-Cast Zinc; Finish Ball Burnished Mirror Smooth; Standard Package 50; Approval UL 514B; Used On Flexible Metal Conduit; ROHS Compliant; Applicable Standard Federal Specification A-A-50552, NEMA FB-1; Hex Width 2-3/8 Inch