... No.:JM-407W-L 3.Inserted Metal:copper/iron 4.competitive price. 5.fast delivery Extension lamp holder JM-407W-LDetail picture ... : Feature of our company's Lamp cap:Item No.JM-407W-LBrandZAIBA, Ding niu, PHIELYER, makel ... can product many ranges of Lamp holder. such as lamp holder, wall lamp holder, porcelain lampholder, ceramic lamp base,lamp cap,plastic lampholder base,bakelite ...