1、APPLICABLE OBJECTS: E27 light base socket is suitable for DIY installation of table lamps, bed lamps, restaurant lamps, bar lamps, fancy lamps. 2、USE OF SAFETY: E27 bulb base socket maximum withstand voltage 250V, standard E27 caliber lamp holder, stable work, safe to use. 3、COPPER CORE: E27 socket extender using copper core material, corrosion resistance, wear resistance, high electric rate, heat resistance and high temperature. 4、REPAIR PARTS: E27 lamp holder is easy to install, suitable for repairing old lamps and lanterns or all lighting fixtures. 5、DURABLE MATERIAL: E27 light holder base is made of excellent ABS material, wear resistant and durable, long service life. 10 x E27 Lamp Head1 x E27 Sleeve Item Type: E27 Light Base SocketMaterial: ABSProduct Size: Lamp Head Height Approx. 60mm/ 2.4in; Sleeve Length Approx. 115mm/ 4.5inGross Weight: 329g/ 11.6ozLamp Head Specification: E27