Commercial Electric 40-Watt Equivalent 5 in. E26 Closet Lighting LED Light Bulb in Bright White Stairway Lighting Hallway Light (4-Pack) 54692141B-4PK - The Home Depot
Socket Adapter Lamp Holder for Corn Light Spot Bulb E27 E14 GU10 G9 E12 B22 LED Lamp Holder Converter 1 Pack AC 110V-220V - AliExpress
Generic E26 E27 Ceramic Light Socket, Helunsi Medium Base Porcelain Lamp Holder, Ceramic Light Bulb Socket
Light Bulb Sockets, Lamp Holders, Round Plastic Screw Base, Lamp Holder, E27 Socket Wall, For Balcony, Hallway, Living Room(4pcs, White) | Fruugo NO
Leviton 660-Watt Keyless Twin-Socket Lamp Holder Adapter R52-00128-00W - The Home Depot
Light Fixture Screws 10pcs E10 Led Bulb Holder Useful E10 Mini Bulb Holder Screw Type Bulb Socket Black Plastic Bulb Holder for Experiment Lighting DIY Accessories Brass Screws - Amazon.com
Mobestech 10 Pcs LED Light Bulb Holder E27 Screw in Light Socket Light Holder Portable Lamp Holde rwith Hook - Amazon.com
Hanpearl Round E27 White LED Lamp Screw Base Halogen Bulb Holder Converter Light Bulb Base Lamp Socket Adapter (10 pcs) - Amazon.com