This product is a light bulb base adapter, mainly made of lightweight and mild plastic materials, safe and durable, with excellent texture, which can perfectly complete the connection and conversion, allowing you to use it better. It is made of craftsmanship, easy to replace, easy to use, and can serve you well. It is your excellent conversion choice. Features -Color: Silver. -Material: Plastic. -Size: About 4.00X2.80X2.80cm/1.57X1.10X1.10inch. -It is made of plastic materials, which is light and durable, and has excellent texture. -Contains a sufficient number of bulb base converters, enough to meet your daily use. -It is safe to use, easy to install, convenient and practical, and it is convenient for you to use the lamp better. -This socket converter can be used to convert your standard E27 bulbs to fit any MR16 lamps. -It allows you to choose more LED lights to fit your fixture or base instead of replacing your fixtures with new ones. Package list: 6 x lamp holder converters