25mm Shower Door Wheels: Replace old rusty rollers to repair your glass door and keep sliding smoothly.Size: Shower roller diameter is 25mm, thickness is 5, 55mm. Total length: approx. 32mm. Requires a glass door hole with a diameter of 10-12mm and a thickness of 6mm. And the screw is M6 and its length is 14mm. Please check the diameter of your old shower rollers and the thickness of your glass door before purchasing.Material: Made of nylon and copper. Provide good elasticity, good wear resistance.Compatibility: For shower doors and massage cabins, bathtubs, jacuzzi or other furniture. Tips: Before installing the shower door rollers, please apply silicone grease (package not included) on the surface of the shower door rollers. glass door to extend its service life.Specifications:Product Name: Sliding shower door rollers/shower roller/Shower door runners/shower door rollersMaterials: nylon and copper.Wheel diameter: 25 mm - Wheel thickness: 5.5mm - Total length: approx. 32mm. Glass