APPLICATION EVERYWHERE: Castors for shower stalls, bathrooms, jacuzzi. These rollers can be opened easily with our shower door. EASY FOR YOU: The shower roller guide needs to be replaced. You can do this repair yourself, usually all you need is the right type of shower stall and a screwdriver. HIGH QUALITY: The shower stall roller Shower Door Roller is a luxury shower door roller of the highest quality. The sliding shower enclosure door roller is designed with a combination of high strength, excellent flexibility and ideal sliding. NO SPENDING MONEY: If you have any problems with the rollers shower stalls, use this quick release and don't waste your money unnecessarily! EASILY SLIDE: Casters for shower stalls and massage cabins, bathrooms, jacuzzis and even for furnishings. That doors and sliding systems can be opened easily and smoothly using our rollers. Features: < p>- Replacement rollers for shower enclosure door for easy sliding. - Replacement rollers for 25mm diameter shower enclosure door. > -These shower enclosure door rollers provide easy sliding and are designed for 4-8mm glass doors. < p>-The construction of the rollers is made of brass and plastic. Specifications: -Material: copper + wheel POM -Product weight: 20 grams -Pulley diameter: 25 mm < /p> -Glass thickness: 4-6 mm. -Hole opening: 15-17 mm Scope of delivery: -4 x shower enclosure door rollers. (25mm)