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JNXQWE Uno Lamp Shade Reducing Ring,E27 to E14 Hole Converter for Fitting Screw Lamp Shades to Bayonet Cap Lampholders with Outer Diameter 1.77 Inch and Inner Diameter 1.14 Inch (6 Pack of) - -
E27 E14 GU10 B22 Holder Converter Base Socket Adapter for LED Lamp Light Bulbs | eBay
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Gu10 E27 E14 B22 Screw Sockets Lot Lamp Bulb Adapter Plastic Base Led Bulb Extender Converter Fitting Light Holder Socket Round - Lamp Bases - AliExpress