Check the listing for details. Shower Door Roller Wheel 20mm Bathroom Glass Sliding Door Runner 6pcs. Color: White, Condition: New. Listed at 18.32 USD. Good Material: Made from durable, corrosion-resistant materials [ Brass + POM wheel + stainless steel screws ]. This ensures their long-lasting performance and smooth operation.Easy Installation: The shower door rollers come with all the necessary hardware for easy installation. With just a few simple steps, you can replace your old rollers and have your shower door gliding effortlessly.Smooth and Quiet Operation: The precision bearings and advanced design ensure that your shower door opens and closes smoothly without any noise or friction.Adjustable Fit: Our shower door rollers are designed to fit 4mm - 7mm shower door thick. They come with adjustable features that allow you to customize the fit according to your specific needs.