ZITRADES Handmake 5PCS B22 to E27 Light Lamp Bulb Socket Adapter Convertor Type: B22 to E27,Material: Metal, Plastic Handmake fully Voltage: Suit for All Voltage High temperature resistance around 200 degree Attention: Halogen bulbs is not available using on this Socket.Only for LED bulb. You can choose more LED Lights to adapt to your fixture or base