6PCS E26 Light Socket Shade Rings Collar Rings, 3 Assorted Size Lamp Shade Rings 34mm 37mm 39mm Inner Diameter, Black Threaded Reducer 1-3/8 Inches and 1-1/2 Inch

["Size: Light Socket Shade Collar Rings Pack comes in 3 sizes. One is with threaded diameter: 1-3/8\" (34mm), the other is 1-1/2\" (39 mm), the last one is 37mm(1.46inch) Please make sure your threaded vintage socket are with 1-3/8\" and 1-1/2\" and 1.46inch diameter before purchasing.","Lamp Shade Rings are made of durable material, which can withstand high temperature and is rust resistant.","These Lamp Shade Rings can replace your missing or broken lamp holder rings.","Easy to install and function great.","Package includes 6pcs lamp shade rings: 2pcs * 39mm; 2pcs * 37mm; 2pcs * 34mm. 3 assorted size lamp shade rings can fulfill your different needs."]