Period Style Retro Edison Lamp Holder E26 E27 Light Sockets with Black Medium Screw-in Lamp Socket - China E27 Lamp Holder, Lamp Socket | Made-in-China.com
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E26/E27 to E26/E27 Lamp Bulb Socket Extender Adapter
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E27 Lamp Socket LED Head Bulb Holder Light Adjustable Flexible Bend With Switch EU Plug Energy Saving LED Table Lamp Base New - AliExpress
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Remote Control Light Socket, 30/60mins Timing Screw in E26/E27 Bulb Holder, No Wiring, Wall Mounted Wireless Light Switch Kit, for Closet, Basement, Attic, Stairwell Light Remote - Amazon.com
E26/E27 to E26/E27 Lamp Bulb Socket Extender Adapter