Fermaluce Metal with threaded E27 lamp holder, light point in metal
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Amazon.com: Emart Light Bulb Stand, E26 / E27 AC Socket Lamp Holder with Umbrella Holder, Photography Light Bulb Mount for Photo Video Studio - 2 Pack : Electronics
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3 Pack E26 E27 LED Light Bulb Lamp Holder Flexible Extension Adapter Socket USA | eBay
Hanpearl Round E27 White LED Lamp Screw Base Halogen Bulb Holder Converter Light Bulb Base Lamp Socket Adapter (10 pcs) - Amazon.com
Round E27 LED Bulb Screw Base Plastic LED Light Fixing Holder Converter White Socket Adapter - Walmart.com
E27 LED Light Bulb Holder Round Socket E27 Base Hanging Socket Screw-1/4Pcs K2U2 - Walmart.com