This is a light bulb converter made of lightweight and durable plastic materials, with reasonable design and practical functions, designed to help you better convert and connect, and bring you more convenience. Made with good craftsmanship, it allows you to convert standard E27 bulbs to fit any MR16 lamps and will bring you a good experience. Features -Color: Silver. -Material: Plastic. -Size: About 4.00X2.80X2.80cm/1.57X1.10X1.10inch. -Preferred materials, , safe, durable and practical. -Fine workmanship, high efficiency and practicality, high temperature resistance, anti-aging, safe and durable. -Easy to install, easy to use, easy to convert from E27 to MR16 base. -It has a wide range of uses, suitable for LED, halogen lamp, or bulb, etc. -Scientific structure, high screw matching, suitable for most E27 lamps on the market. Package list: 6 x lamp holder converters