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Metal Lamp Base E14 Bulb Holder DIY Table Lamp Base on off - Etsy
E14 Light Bulb Holder Base Fitting Adapter Black Edison Screw Cap Lamp Fixing | eBay
Base Fitting E14 Light Bulb Holder Adapter Black Edison Screw Cap LED Bulb Converter Lamp Fixing Replacement Socket - AliExpress
E27 to E14 Lamp Shade Adapter Ring, 6 Pack Screw Lamp Shade Reducer Washer E27 Lamp Ring, 42mm to 29mm Lampshade Converter Ring Plastic Light Shade Replacement Parts - Amazon.com
Housoutil 15pcs Bulb Holder Fixing Ring E14 Bulb Ring Stand Ring Bulb Lamp Socket Ring Lamp Parts for Table Lamp Ring Lightbulb E27 Lamp Holder Lamp Shade Ring Light Shade Reducer Ring