Zinc Plated (Galvanized) Steel Cover For Corrosion Resistance with Malleable Iron Swivel Hub Reducing Bushing Allows For Fit With 1/2" And 3/4" Threaded Pipe Fixtures 20-Degree Swing From Vertical For Mounting On Sloped And Slanted Ceilings Used To Hang Electrical Devices From Overhead Ceiling Installations. Perfect For Lighting Fixtures, Security Cameras, Motion Detectors, And More!

For use with standard 4" square steel electrical boxes. Used to hang lights, exit signs, speakers, security cameras, anything electrical from a flat or slanted ceiling-mounted box. Malleable iron swivel hub with steel cover and reducing bushing to allow use with 1/2" and 3/4" threaded nipples and conduit.