Elinkume E27 Male to G9 Bulb Socket Convertor LED Halogen Base Adapter Lamp Holder White Bayonet Base Socket Adapter Converter 10pcs Lamp Socket Fitting Extender/Adaptor/Holder Safe and Easy to install E27 socket to G9 screw cap. Max. support: 238V Plug in LED bulbs and attach it to normal lighting wires Material: Ceramic