Lucas L539 side lamp
83mm diameter chromed metal base with 65mm diameter domed plastic lens. Supplied with 12V, 21W bulb, 600mm leads with bullet terminals and sealing gasket. Overall length approx. 75mm including lens.
A double pole version of this lamp is also available, fitted with a Bay15d 5/21W 12V bulb. This lamp can therefore be used as a side light and also an indicator light.