B22D Lamp Holder. With Protection flange. White Porcelain casing. Nominal rating 2/250. Screw Terminals 0.5-2.5 square mm. Fixing holes for screws M3, Podstawa = B22d, Typ montażu = Śruba, Materiał = Porcelana, Metoda mocowania = Wciskane, Liczba styków =