Compatibility: This product is suitable for installation on some E26 model lamp holdersPackage Details: Each package contains 6 pieces of the E26 lamp holder fixed outer ring with a diameter of 5.4cm eachAdvantage: The light shade rings is made of great pp material, high temperature resistance and high and strong insulation, durability, firm and not easy to fall offInstruction: Easy to use, it is a good replacement to replace missing or broken lamp ringsApplication: The light shade rings is a good replacement to mount your lampshades. Use in the light holder of desk lamps, floor lamps, dining room lamps, , bed lamps, counter lamps, etc Specification: Material: PP Size Chart: Diameter: 5.4cm/2.13inch Package Includes: 6E26 Light Socket Rings Note: Please allow slightly errors 1-2cm differences due to manual measurement.