Nickel 3 Way Lamp Sockets complement glass and silver lamps. Early style has matching turn knob switch. 3-way design provides 3 stages of light. Lamp Socket is Nickel Plated Brass with metal interior. Finish is shiny. Wire exits thru socket-cap. Uno Threads
If using nickel lamp socket with uno fitter shade: special uno threads, at light bulb-end of lamp socket, enable most lampshades and holders, with 1-1/4" threaded center ring, to screw directly on to socket.