EMT Coupling; Type Set Screw; Trade Size 2 Inch; Diameter 2-3/8 Inch; Length 4 Inch; Material Zinc Electroplated Steel; Constructional Feature Concrete Tight; Standard Package 30; Approval UL 514B, UL (Canada and US); Used On EMT Conduit; RoHS/REACH Compliant; Includes (2) Tri-Drive Slot/Phillips/Robertson Head Screw; Applicable Standard Federal Specification A-A-50553, NEMA FB-1, LEED