High Quality Material: The lamp socket connection is made of high quality bakelite, black thermoplastic, and the gasket is made of high precision brass, which is waterproof, dustproof and shockproof. Threaded lampholders: the retro e27 lampholders are medium-sized threaded lampholders with cable glands and self-locking wick rings for e27 bulbs. Classic design: the black lampholders made of solid bakelite vintage have an antique and industrial look. It goes perfectly with light bulbs and cables in different shapes and colors for a classic atmosphere. Easy to use: the e27 lamp holder is very easy to use, you must connect the positive wires correctly and negatives, then assemble all the parts, it is very easy to use. Wide range of uses: The lamp holder can be used for various LED incandescent lamps, halogen lamps and energy saving lamps. E27 energy. You can also use them for DIY light fixtures for home, office, bar, yard and more. Product dimensions (LxWxH) 5 x 9.5 x 9cm; 100 grams