Nickel Lamp Sockets are an economical option for antique and modern lighting. Lamp socket is nickel-plated brass with a metal interior. Wire exits thru bottom of socket-cap. Turn knob switch. 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.