DescriptionThis is a simple and practical E40 to E27 LED light bulb screw socket adapter, which is mainly made of durable copper conductive piece and flame-retarded PBT material, durable and practical, long service life, and can be used to easily convert E40 bulb socket to E27 bulb socket.Features- Color: As shown. - Material: Metal and PBT. - Size: about 4 x 4 x 5cm. - Made of PBT material, durable, steady performance and long service life. - This Professional Socket Adapter are designed for convert E40 bulb socket to E27 bulb socket. - Simply turn the adapter socket into your light fitting with a E40 setting. - The screw fits the lamp socket converter is suitable for all voltages of LED, halogen and energy saving bulbs. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!