Creative Hobbies Phenolic 3-Way Turn Knob, Medium Base Light Socket, Full Uno Thread & Ring, 1/8 IP Thread Cap | 2 Pack - Amazon.com
Power Gear 3-Way Lamp Socket, Medium Base, Turn for Low-Medium-High Light Settings, For Floor and Table Lamps, DIY Project, UL Listed, Brushed Gold, 54372 - Light Sockets - Amazon.com
All Thread Pipe - 3 Foot Lengths - 1/4 I.P.S. Steel – My Lamp Parts
Satco 81927 - Medium Screw Base Socket | LightBulbs.com
1/4 IPS Lamp Pipe / Tubing | Shop Color Cord Company Today
Large E-39 Mogul Base Porcelain 3-Way Socket with Removable Turn Knob and 1/ 4ips.
SOLID BRASS 3-WAY 1/4 IPS | Texas Lamp Parts
Solid Brass Short Lamp Holder | Edison Medium (E26) Base
Leviton 3-Way Socket Lamp Holder R50-07090-0PG - The Home Depot
All Thread Pipe - 3 Foot Lengths - 1/4 I.P.S. Steel – My Lamp Parts
3-way brass-plated lamp socket with large hole 1/4 IPS TR-28 - Amazon.com
SOCKET: 4-PIECE with ON/OFF TURN KNOB and UNO THREADS – Sundial Wire