Versailles Home Fashions UR02-903 Silent Glide Nylon Lined Clip Ring for 22/25/28mm Rod, Brushed Nickel, Set of 7 Piece The 1.5in diam is compatible with any 1.125in drapery rod or smaller It is recommended to buy 1 set of 7 rings for every 2ft of window span Sold as a set of 7 rings per pack Fits up to 1.125in (28mm) Rods