1.Name:Plastic Screw light base 2.Item No.:JM-201 3.Inserted Metal:by customer's choice 4.competitive price ... 5.fast delivery Plastic Screw light base JM-201 Detail picture: Feature of our company's Lamp cap ... holder, wall lamp holder, porcelain lampholder, ceramic lamp base,lamp cap,plastic lampholder base,bakelite and plastic lampholder, E27&B22 Lampholder and ...