ZDD [Special Styles]: This vintage, antique and industrial E27 lamp holder, compatible with any E27 base bulbs, vintage Edison bulbs will be perfec, It is suitable for decorative pendant light projects. (Package includes: E27 black lamphoder 4)[Sturdy to Use]: Our bulb socket is certified, made of Aluminum cover and ceramic lamp holder, sturdy to use. This E27 bulb base is high-Temperature resistant, can bear Heat up to 600C; Maximum power can reach up to 600W.[Convenient to Use]: The connection port is made of PVC material, which is durable to use. This connection bolt can be used to adjust the cable length, you can loosen this bolt to adjust length according to your needs, very convenient to use.[Variety of Use]: The color of this e27 lamp holder is pearl black, which is perfect for modern or retro style decoration. As an indispensable part of a pendant lighting, you can match a variety of lampshades to add a unique atmosphere to your room, ideal for bar, dining room, cafeteria, shop window, studio, reception room, living room, shops, restaurant , living room, bedroom, etc.Size:50x90mm