ENEC Plastic E27 Trumpet Bulb Lamp Socket with Metal Bracket - China Lamp Socket, Bulb Socket | Made-in-China.com
1PCS White Black 4A 250V E27 Card-type Lamp Holder CE Certification E27 Socket High Quality - AliExpress
Source 4A 250V T210 E27 light bulb socket on m.alibaba.com
Source 4A 250V T210 E27 light bulb socket on m.alibaba.com
E27 Lamp Holder, E27 Light Base Socket Corrosion Resistance High Temperature Resistance Stable Work Wear Resistance 10Pcs For Bed Lamp Black,White - Walmart.com
AC 250V 4A E27 Plastic Socket LED Light Bulb Lamp Light Holder Black - Bed Bath & Beyond - 17587187
LAZIRO 10pcs E27 LED Plastic Lamp Holder E27 Screw Lamp Socket Adapter with 2 Rings with Track Number Compatible with Edison - Amazon.com