Conduit Combination Coupling; Installation Threaded Rigid/IMC to Compression EMT; Trade Size 3/4 Inch; Constructional Feature Concrete-Tight; Material Zinc Electroplated Steel; Size 1-3/8 Inch Dia x 1-17/32 Inch L; Standard Package 100; Approval UL; Used On Rigid and IMC/EMT Conduit; ROHS Compliant