EMT Conduit Coupling; Type Set Screw; Trade Size 1 Inch; Diameter 1.44 Inch; Length 2.06 Inch; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Constructional Feature Concrete-Tight; Standard Package 250; Approval UL 514B, UL (Canada and US), CSA; Used On EMT Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1; Includes Tri Drive Slot/Phillips/Robertson Head Screw