Shower Ring Dimension:Outer Diameter: 60mm Function: Designed for shower/bedroom/kitchen curtain rods. Easy to open and close and easy to install and use which offers you convenience High Quality: Metal, Nickel Plated Finish. Sturdy, Smooth to Slide, Rust Resistant Delicate Appearance: Modern and minimalist look reflects your personal characteristics Advantage: The curtain ring has heavy construction, it will not break easily and open by itself after using a long time Used as curtain rings. Can be used with curtain rods and clips to hang curtains in bedroom or bathroom. Used as book rings. You can use it in your custom projects. These rings have an inner diameter of 50mm, which can even hold a handmade wooden guest book. Used as a key ring. Can be matched with swivel clasps to hang small items. They work perfectly and stay closed when completely full.