Shower Rings Package Including Contains 24 pcs black curtain rings,with an inner diameter of about 2 inches/50.8 mm,outer diameter of about 2.24 inches/56.9 mm.The 2 " inner diameter shower rings can compatible very well with most single shower rod or double rod.Smooth GlidingThese roller open O-shaped glide shower rod hooks are rust resistant, friction free,and glide smoothly on the curtain rod,without making much noise at the same time.Provide a finishing touch to your bathroom decor.Wide UsedThe hinged opening design shower rings fit most standard shower curtain rods.Shower curtain rings also known as loose leaf binder rings,book rings,key rings,metal rings for index cards,rings for flash cards,clip rings,curtain rings,can be used for memo filing,scrapbook,binding recipe,photos,sample book,scrapbook,sample holders,contract or file.High Quality MaterialShower curtain hooks are made of premium metal,finished with a durable plating for long lasting rustproof which can be used in a long time,metal rings won't crack or break.Each curtain ring enables to load up to 60 lbs,and is able to hold your shower curtain perfectly with no doubt.Hinged Opening DesignMade with a hinged opening design for easier use,just to pull to open and squeeze to close.The metal buckle closes tightly enough to keep it stay on the shower rod when rolling across to open or close your shower curtain,at the same time,these metal hooks will not fall upside down like other hook because of the shape.Both professionals and students can use.