ES/E27 lamp holder for discharge lamps. Housing porcelaine. Screw fixing. Connection: screw terminal. For screws ISO 1207 - M4, ISO 1580 - M3. Starting voltage to 5 kV, Zgodny typ żarówki = GLS, HID, Podstawa = E27, Typ montażu = Śruba, Materiał = Porcela