Ring For Threaded And Candelabra Sockets - 1" Outer Diameter - 3/4" Inner Diameter - 13/16" Thread Size - 20 TPI - Chrome Finish

"We've been here a few times, both for ceiling lights for our old house and a lamp for the new one. Great selection (two floors) and helpful folks. And, the mid-century modern lamp we recently bought was actually less expensive than we expected, so that was a nice surprise. We'll definitely be back for any other lights/lamps we need!"