Vintage Brass Pendant Lamp Socket Copper lamp holder pendant light socket from China manufacturer - Lonwing Lighting Factory Co., Ltd.
Royal Designs Full Range 3 Way Vintage Turn Knob Dimmer Pull Chain Lamp Socket for Incandescent LED Bulbs, Antique Copper, Set of 2, Switches & Dimmers - Amazon Canada
Superdream Brass Screw Thread DIY Light Socket Vintage Copper Edison Retro Pendant Lamp Holder for E26 E27 Light Bulbs, with Golden Key Switch Multi-Function Socket (1 Pack) : Amazon.ca: Tools & Home