This is a light bulb socket adapter made of copper, copper-plated aluminum, and ABS. It is safe and durable with an excellent texture. The adapter connects and converts your proper size of light bulb for better use. It features detailed workmanship for easy installation and replacement. This bulb adapter is efficient and practical. Light in weight and suitable in size, it is easy to install. It is widely applied for light bulb transfer in garages, workshops, basements, carports, shops, and monitoring systems. Its reasonable structure and high thread matching can well meet your conversion demands. The functionality is designed to help you transition and connect better and more safely. Condition: New. Origin: China. Packing list: 15 x E12 to E14 adapters.