Raco Round Steel Box Cover

737 Features: -Octagon box or round ceiling pan cover.-Used to hang light fixture from 4" octagon box or 4" round ceiling pan.-Not designed for ceiling fan support.-Key hole mounting feature allows for installation of cover without removing box screws.-Covers are used to close an outlet box.-Switches or receptacles may be in-stalled into octagon boxes by using covers 729 or 731.-Raised covers are used for mounting lighting fixtures.-5" Round closure plates are designed for use in dry locations for closure at unused ceiling outlets.-50 Lbs maximum recommended support load.-3 Cubic inches capacity. Dimensions: -Dimensions: 4" H x 4" W x 0.06" D.