E26 E27 7 6 5 4 3 in 1 LED Light Bulbs Socket Adapter Splitter, Standard Lamp Holder Base Converter for Home Commercial Lighting
https://www.vogueparade.com/shopping/EN/530/1/32606650641/e26-e27-7-6-5-4-3-in-1-led-light-bulbs-socket-adapter-splitter-standard-lamp-holder-base-converter-for-home-commercial-lighting//