Stainless Steel Construction: Made of sturdy stainless steel, this shower door roller replacement ensures durability and long-lasting performance Adjustable Glass Thickness: With a screw adjustable , this shower door wheel is suitable for glass thickness of 4-6mm, fitting most shower enclosures and cabin enclosures Easy Installation: This door runner wheel has an outside diameter of 23mm/05in or 25mm/84in, making it easy to install on mobile doors, glass sliding doors, and aluminum doors Automatic Spring Adjustment: The height of the spring on this shower pulley is automatically adjusted according to the height of the upper wheel, providing smooth and effortless Wide Application: Suitable for furniture hardware accessories, this shower door roller is versatile and can be used on glass sliding doors, aluminum doors and with glass apertures of 12-14mm, Weight: 0.16975594174 pounds, Manufacturer: QLECXZI