Feature: 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. Specification: Item Type: E27 Light Base Socket Material: ABS Product Size: Lamp Head Height Approx. 60mm/2.4in; Sleeve Length Approx. 115mm/4.5in Gross Weight: 329g/11.6oz Lamp Head Specification: E27. Package List: 10 x E27 Lamp Head1 x E27 Sleeve Note: All data are measured manually, and there are certain errors in the measurement results.