Edison Screw Lampholders for North America: E26 Medium Base›Phenolic Keyless, E26 Medium Base›Phenolic Pull Chain, E26 Medium Base›Phenolic Push-thru, E26 Medium Base›Phenolic Turn Knob, E26 Medium Base›Phenolic with Bottom Turn Switch, E26 Medium Base›Phenolic with Push-in Terminals
Counter ring for E26 phenolic outer threaded lampholders