Description If you are looking for a professional screw lamp base, then your research is over here. That's because our product can meet your need. Adopted of premium material, practical and durable for long time use, not easy to get deformed and bring you much convenience. Features -Color:As Shown -Material: Copper -Size: 1.90X1.20X1.00cm/0.75X0.47X0.39in Socket: E10 - Made of high grade copper material, uniform thickness, high temperature resistance, smooth surface, strong hardness. - An essential electrical equipment for elementary school science, middle school physics laboratories, and student home laboratories. - Perfect for repairing or replacing lamp holders for table lamps, desk lamps, floor lamps, chandeliers, etc. - Solve lighting problems in your kitchen, bedroom, living room, garage and more. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 20 x E10 Lamp Bases