DescriptionVintage E27 socket, old and industrial appearance, compatible with E27 bulbs with large screw base, including vintage Edison lamps, suitable for DIY decorative pendant lights. (Color: Vintage Brass4) FeaturesHigh quality, CE and RoHS certified; Heat resistant. High up to 600; MaterialsAluminum cover and ceramic lamp socket. Strong and safe, There is a grounding device in the package and you could connect the grounding. The lamps could be maintained. Wide ApplicationIt is most often used for E27 generation Edison bulbs and retro pendant lighting. Create an antique and classic atmosphere for modern life. Different lampshades added and the suitable cable can bring different decorative effects. Installation Easy to install. Connect the wires to the positive/negative terminal correctly, then assemble all the parts together.