Conduit Combination Coupling; Installation Set Screw EMT to Flexible Metal Conduit; Trade Size 3/4 Inch EMT Conduit x 1/2 Inch Flexible Metal Conduit; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Size 1-3/16 Inch Dia x 1-7/8 Inch L; Standard Package 100; Used On EMT/Flexible Metal Conduit; ROHS/TCLP Compliant; Applicable Standard Federal Specification A-A-50553, NEMA FB-1