Description Upgrade your home lighting with these lamp shade rings, offering seamless compatibility with medium base shade ring fixtures. The high-strength lamp holder ring design keeps effective support for various lampshade fitting rings, minimizing wobble. Ideal for both ceiling light adaptor ring installations and sconce shade ring mounting, they optimize illumination and maintain a stylish dcor. Features -Color:White -Material:Plastic -Size:5.70X5.70X1.00cm/2.24X2.24X0.39in -Enhanced stability: the threaded lamp holder ensures lampshades remain firmly in place, preventing wobbling and creating a secure lighting environment for your room or workspace -Durable material: crafted from highstrength plastic light fittings, this lamp shade ring is highly resistant to impacts, keeping extended lifespan and reliability for daily use -Easy installation: the lamp shade adapter ring features a simple design, allowing quick mounting and effortless removal for easy lamp maintenance, cleaning, and upgrades -Universal compatibility: designed as a medium base shade ring, it fits a wide range of lamp sockets including e27 and e27, suiting various lighting styles and household fixtures -Light leak reduction: the lamp shade collar ring seamlessly attaches to sockets, significantly minimizing unwanted light leakage to enhance the rooms overall ambience and illuminationPackage list: 30 x lampshade rings