Practical Design: The GLADFRESIT lampshade reducer ring is designed to convert the hole of the lampshade ring from E27 to the matching inner hole diameter of E14, allowing for easy and convenient lampshade compatibility. Quality Material: Made of sturdy and durable hard plastic, this lamp shade reducer ring is more durable than metal light fitting adapters, ensuring long-lasting performance without easily deforming. Easy Installation: Although the new E27 to E14 lamp shade adaptor rings may be a little tight, they are easy to install. Just apply a little force to securely fit the reducer ring into the lamp shade. Product Size: With a thickness of 4 mm, an outer diameter of 44 mm, and an inner diameter of 28 mm, the light shade reducer ring is perfectly sized to accommodate various lampshade configurations. Wide Compatibility: The plastic lampshade adapter rings are compatible with most European bayonet headlamps, lamp holders, table lamps, and ceiling lamps, providing versatility and flexibility in their usage., Weight: 0.0440924524 pounds, Manufacturer: GLADFRESIT