Ball Shade Holders support glass ball shades and gas lampshades. Use on oil and electric lamp burners. For table lamps, chandeliers and wall sconces. Decorative border accents lamp shade base.
Lampshade Holder supports glass shades with a 4" fitter. Holder sits down on lamp burner. Four small curved notches nestle around burner tines. Fits many Central Draft & Rayo Burners
Center Hole: measure outside diameter of burner ridge, where chimney is seated. Fitter: measure base diameter of ball shade.
Was looking for this item for a long time, glad to have finally found it! Great sellers, fast shipping, would highly recommend.