Conduit Combination Coupling; Installation Threaded Rigid/IMC to Compression EMT; Trade Size 1 Inch; Constructional Feature Concrete-Tight; Material Zinc Electroplated Steel; Size 1-3/4 Inch Dia x 1-5/8 Inch L; Standard Package 50; Approval UL; Used On Rigid and IMC/EMT Conduit; ROHS Compliant