Designed for lighting, you can use it to replace old or damage light socket. Made of premium material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it. Features -Color:Black -Material:Bakelite -Size:5.70X5.70X5.50cm/2.24X2.24X2.16in Outer teeth diameter: 40mm Outer ring diameter: 57mm Socket: E27- Made of high grade bakelite with a layer of anti-rust and anti-oxidation coating to prevent oxidative weathering.- Classic design, E27 lamp head accessories, also can give your area a retro industrial style.- This light socket is perfect for DIY retrofitting pendant lights, wall sconces and ceiling lights.- Suitable for industrial office, dining room, bookstores, homes, restaurants, and more.- The product is light, portable, easy to use, and is a convenient and practical light socket.Packing list: 4 x lamp sockets