6 Pieces Lamp Socket Knob Replacement Switch Light Fan Knobs Lamp Switch Knobs for Common Lamps, Fans and Switch Fixtures: Amazon.com: Tools & Home Improvement
Nordic Lighting Nordic Copper | Ceramic Fixtures Knob Switch - Nordic White Led - Aliexpress
ClanKin Wall Sconces Lighting Fixture with Knob Switch, Black Adjustable Bedside Wall lamp for Industrial Bedroom, Bathroom Sink Lighting(E26 Base Bulb Not Included) - Amazon.com
High Heat Bakelite Socket Fixture with Bottom Turn Knob Switch (48100i) - Antique Lamp Supply - Quality Lamp Parts Since 1952