Features:* new and high quality*Made of wonderful material, and real looking to use*Easy to flow and clean.*Set of 8 Replacement Shower Door Rollers*Great substitute to 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 Enclosures Specifications:Material: Nylon outer wheel and chrome steel screw.Wheel diameter: 19mm, 23mm, 25mmThickness: 5mmPackage Contents:8 *Shower Door Rollers8 *ScrewsNote:1. The genuine color of the item may be slightly different from the pictures proven on web page brought on by many points such as brightness of your video display and light brightness.2. Please allow slight manual dimension deviation for the data.