Form-IN-Place Clip Cover With Integral Gasket, Hub Size: 3-1/2 - 4 IN, Form: 8, Mounting: Screw-In, Material: Cast Grayloy-Iron, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Color: Gray, Standard: UL File Number E2527, CSA 65183, Class 4413-02, Class I, Division 2, For FM8 Conduit Outlet Bodies