Bridgeport 267-DC 3-Inch Comp. Coupling, Rigid/EMT Conduit Coupling, Compression Installation, Ball Burnished Mirror Smooth Die Cast Zinc, Trade Size 3 Inch, Length 3-7/8 Inch, Concrete Tight, Approval Ul, Csa, Standard Package 12, Used On Emt Conduit, B[R] Brand, Width Across Flat 4-7/16 Inch