Garvin SC-75 4" Square Swivel Fixture Hanger Cover, for 3/4" Pipe

Solid one piece 4in square box swivel fixture hangers for 3/4in pipes are used to hang light fixtures security cameras speakers and other electrical/electronic devices from standard 4in square junction boxes. They require no extra mounting boxes and hangers and allow a 20. swing from vertical. They are great for industrial settings where conduits are bumped or jostled occasionally.