Description The E27 to 11mmLamp Socket Converter is a convenient and reliable solution for converting lamp shades with E27 fittings to 11mmfittings. It is designed with a secure and easy-to-use buckle installation style, allowing for effortless installation. This converter is suitable for various types of desk lamps and is made with quality materials for durability and long-lasting use. Features - Color: White -Material:Plastic - Size: 5.70X5.70X0.70cm/2.24X2.24X0.28in - Size: 1.10X1.10X0.20cm/0.43X0.43X0.08in - Safe to use, simple and practical, and provides you with an efficient conversion method. - Can be used in light bulb conversion in garages, shops, workshops, basements, monitoring systems, carports and other scenes. - It allows you to choose more LED lamps to install your lamps or bases instead of replacing your lamps with new ones. -Owning the strong wear and break resistance ability, verypractical,with excellent texture. - Exquisite workmanship, efficient and practical to use, wonderful connection and conversion. Package list: 20 x lampshade converter