Aplstar E26 E27 Light Socket,16-Pack Black Edison Retro Pendant lamp Holder, E26 E27 Plastic Standard Screw-in Socket Maximum Wattage 250W Heat Resistant Up to 200℃ Fire Resistant - Amazon.com
E27 Screw Lampholder Plastic Lamp Holder Bulb Socket for Brasil - China Plastic Lampholder, E27 Plastic Lampholder | Made-in-China.com
Plastic Lamp Bases Adapter E27/E26 4A Light Bulb Lamp Holder Pendant Screw Socket Vintage Black 250V - Walmart.com
E27 White Phenolic Smooth Skirt Toggle Switch Lamp Holder with 1/8ips Threaded Cap
Plastic Lamp Holder with two screw rings and male thread - Black (E27) - Kynda Light
E27 Light Bulb Base Plastic Full half Screw Lamp Holder Pendant Socket Lampshade | eBay
JINGT 2Pcs White E27 PlastIC Lamp Holder Rings Screw Rings from ISOLATECH - Walmart.com