This light socket shade ring not only fixes the lamp shades, wall lamp and chandelier installation, but also effectively blocks the tooth patterns that leak out of the socket, making the overall lamp fixture more pretty.Specification:Color: WhiteMaterial: MetalDiameter: 55mm / 2.1 InchHeight:35mm / 1.38 InchSuitable for 1-1/2 inch threaded medium ceramic socketAdvantage:The surface is smooth and delicate, polished, without burrs, the material is not easy to rust and durableUsed to fix the lampshade and cover the exposed tooth pattern of the lamp head, making the overall lamp fixture more prettyUse with medium base threaded socket rings to secure glass lampshades, work on light fixtures above mirrors/vanity lights or bathroom lights, install new glass wall light covers, secure pendant lights, replace original plastic retainers/old ringsInstruction:Directly replacing old or broken socket ring on your light and fan fixturesNotice: Please check diameter of existing threaded socket before buying. The screw rings only work on  threaded medium-base ceramic sockets 1-1/2 inches (39MM)