IMC/Rigid Conduit Coupling; Type Compression; Trade Size 1-1/4 Inch; Diameter 2.15 Inch; Length 2.5 Inch; Material Zinc Electroplated Steel; Constructional Feature Concrete-Tight; Standard Package 25; Approval UL 514B, UL (Canada and US); Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553A, NEMA FB-1