B and P Lamp Standard Size_ 3_Way Porcelain Turn_Knob Socket Interior

B&P Lamp Standard Size, 3-way Porcelain Turn-Knob Socket Interior, Turn Knob Socket Interiors, Heat is the big killer of regular phenolic (black plastic) socket interiors, Porcelain, on the other hand, is much more durable and long lasting in this respect than phenolic, These standard size interiors are very handy for restoring or repairing lamps that suffer from heat build-up, 250V-250W, UL and CSA listed, Your Choice: Regular On-Off 3-way (low-medium-hi-off)