Bulb Holder, Mini Lamp Flashlight Bulb Holders for Circuits
E-Simpo B22 to E26 E27 Light Socket Adapter, UK AU India Bayonet Lamp Base to Edison Screw E26 E27 Bulb Holder Converter Adapter CE Rohs (4) - Amazon.com
Lamp Holder, White color (Miniature Base, Bulb Socket), Pack of 10 - ScienceKitStore.com
Mobestech 10 Pcs LED Light Bulb Holder E27 Screw in Light Socket Light Holder Portable Lamp Holde rwith Hook - Amazon.com
G9 Base Ceramic Lamp Holder Socket, M10 Entry Base | Mullan Lighting