Feit Electric Light Socket Black Finish Industrial Style Pendant Light Fixture (6-Pack) (No Bulb or Shade Included) PN/BLK/6 - The Home Depot
Antique Brass Turn Knob Early Electric Industrial Style Lamp Sockets, No UNO - Choice of Interior (48273A) - Antique Lamp Supply - Quality Lamp Parts Since 1952
3 pc. Steampunk Industrial Lamp holder Black Iron Pipe Lamp Socket . 3/4" NPT | eBay