Mercury Style Glass Reflector for Cast Iron Wall Bracket Oil Lamps. A High Quality reproduction of the Mercury Style Glass Reflector found on old kerosene wall bracket lamps. Contains no Mercury. Provides Excellent reflection and durability. Will not rust or tarnish. Reflector comes with a standard screw-on reflector holder for mounting on most old and new Wall Bracket Lamps. 7-1/8 inch diameter.