ZV-4 Polished Unlacquered Brass 4" Glass Shade Fitter
ZV-DK4 Antique Brass Finish 4" Glass Shade Fitter
ZV-N4 Nickel Plated 4" Glass Shade Fitter
ZV-OB4 Oil Rubbed Bronze Finish 4" Glass Shade Fitter
4" fitter size, made from solid brass. These fitters will hold glass shades upright or down-facing, using three set screws, supplied.
4" glass shades were used on late Victorian gaslight fixtures and lamps. Known as the "wide flame burner" size.