TORCHSTAR 2 Pack E27 to E27 Extender Adapter, E27 to E27 Edison Screw Converter Lamp Bulb Socket Lamp Holder, Fits LED/CFL Light Bulbs, Heat-resistant, Anti-burning, No Fire Hazard Easy to screw it into an existing socket, extend your current E27 screw mount / fixture Durable anti-burning PBT material, heat-resistant & erosion-resistant Fits for all voltages and best for LED/CFL bulbs with wide base Save you a lot of trouble and money of replacing your original lighting fixtures Metal contact, good conductivity, solid construction, 36.5mm (Dia.) x 95.5mm (H)