Screw E27 LED Base Light Lamp Bulb Socket E27 to 2-E27 Splitter Adapter lamp holder E27 Socket Bulb Holder Material: Plastic, metal. Color: White Size: 7.4 x 7.3cm Weight: 25g Qty:1pcs                                       Specifications: Features: 100% Brand new and high quality LED CFL Light Bulb Lamp Adapter Double your current E27 screw mount / fixture. High temperature resistant, anti-burning PBT and anti-aging. Suitable for all voltage NOTE: It cannot transfer voltage Package Included: 1X E27 1 to 2 Base Adapter Notes: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!