Product Size: The lamp shade reducer ring has an outer diameter of 43.2mm (1.69 inches), an inner diameter of 26.5mm (1.06 inches), and a height of 8mm (0.31 inches), making it the perfect fit for most lampshades. Durable Material: Crafted from high-quality hard plastic, these white lampshade adapter rings are strong, durable, and resistant to deformation, ensuring long-lasting performance. Practical Design: Easily secure the bulb and lampshade by twisting the reducer ring. It allows a smaller bulb to fit into an otherwise incompatible lampshade, adjusting it to the correct size for optimal use. Easy Installation: Featuring precision threads, the lampshade ring can be installed quickly and effortlessly by hand without the need for any tools. Simple and convenient for a hassle-free setup. Wide Compatibility: Ideal for E14 lamp holders, these adapter rings work with a variety of bulbs and lampshades. Perfect for use in table lamps, chandeliers, desk lamps, floor lamps, wall lamps, and more, providing versatile lighting solutions for any room., Manufacturer: Trifletopia