Description: Vintage E27 socket, old and industrial appearance, compatible with E27 large screw base bulbs, including vintage Edison bulbs, suitable for DIY decorative pendant lights. (Color: Vintage Brass × 4) Features: High quality, CE and RoHS certified; Heat resistant. High up to 600?; Materials: Aluminum cover and ceramic lamp holder. Strong and safe. There is a grounding device in the package, and you can connect the grounding. Lamps could be serviced. Wide Application: It is most commonly used for E27 generation Edison bulbs and retro pendant lights. Create an antique and classic atmosphere for modern life. By adding different lampshades and matching cables, different decorative effects can be achieved. Installation? Easy to install. Connect the wires correctly to the positive/negative poles and then assemble all the parts.