【Description】DiCUNO Vintage E27 Lamp Holder, Antique Industrial Look, Compatible with E27 Large Screw Base Bulbs, Including Vintage Edison Lamps, Suitable for DIY Decorative Pendant Lights. (Color: Chrome Color×4) 【Features】[High Quality]: CE and RoHS Certified; [Heat Resistant]: High up to 600℃; [Materials]: Aluminum cover and ceramic lamp holder. [Solid and Safe]: There is a grounding device in the package and you could connect the grounding. The lamps could be maintained. 【Wide Application】1) It is most commonly used for E27 generation Edison bulbs and retro pendant lighting. Create an antique and classic atmosphere for modern life. 2) Added different lampshades and the matching 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. An installation guide is included for your reference. 【Warranty】[3 months refund and 1 year replacement]. Please check them