DiCUNO UL Listed 3-Way Lamp Socket Replacement Parts, Incandescent Lamp Holder with Knob Switch Turn for Low, Medium and High Settings, Repair Kit for DIY Project, Table, Floor Lamp, Silver, 2-Pack :
Electop E26 E27 3 Way Socket 3 in 1 Socket,Adjustable Socket Splitter,White Bulb Base Adapter Lamp Holder,360 Degree Rotating 180 Degree Bending : Amazon.ca: Electronics
Leviton 3-Way Socket Lamp Holder R50-07090-0PG - The Home Depot
UL Listed 3-Way Lamp Socket Replacement JACKYLED E26 E27 Medium Screw Base Socket with Turn Knob Switch for Floor Light and Table Lamp DIY Lighting (2-Pcs) | Walmart Canada