B&P Lamp® Medium (Standard) Size Bakelite Fixture Socket - Walmart.com
JNXQWE E26 E27 Light Socket,Bakelite Threaded Medium Base Lamp Holder with Shade Ring,Phenolic Medium Base E26 Fixture Socket with 6" Wire Lead for Incandescent Led Light Bulbs Replacement,Pack of 2 - -
Bakelite Vintage Edison socket
Bakelite Bottom Knob Socket with Ring – My Lamp Parts