Features:* new and high quality*Made of nice material, and reasonable to use*Easy to glide and clean.*Set of eight Replacement Shower Door Rollers*Great replacement for your old/broken bathe door rollers.*They are adjustable up and down to enable the door to be lined as much as mate with the frame*When you slide the door, there's no noise and slide smoothly*Suitable for Most Shower Enclosures, Shower Cabins and Steam Cabin EnclosuresSpecifications:Material: Nylon outer wheel and stainless-steel screw.Wheel diameter: 19mm, 23mm, 25mmThickness: 5mmPackage Contents:8 *Shower Door Rollers8 *ScrewsNote:1. The real colour of the article may be barely different from the pictures proven on web content attributable to many points resembling brightness of your computer screen and lightweight brightness.2. Please allow slight handbook size deviation for the data.