Material: Roulette Douche door made of nylon and copper, robust and durable, of stable quality and have a long lifespan. The wear -resistant wheels are smooth and low sliding noise. Size: wheel diameter: 25 mm, wheel thickness: 5.5 mm, total length: approx. 33 mm. Suitable for: glass door thickness: 4 to 6 mm. Hole dimensions in glass: 10-12 mm. Large application: shower cabin - spare wheels for shower cabins and massage cabins, bathrooms, jacuzzi and even for furniture fittings. Thanks to our shower casters, door and sliding systems can be easily and gently. Easy installation: casters for easy to move and install shower door. For repair, a single screwdriver is necessary. Specifications: Product name: Rollests Sliding door shower/shower roulette/Shower door runners/wheeled shower doors Materials: nylon and copper. wheel diameter: 25 mm - wheel thickness: 5.5 mm - Total length: about 33 mm. Glass thickness: 4-6 mm. hole: 10-12 mm Suitable for most shower cabins. Spare wheels for