Nylon and copper - Good elasticity, good resistance to wear, economy - Set of 8 rollers, interchangeable several times, spare parts in a single order Dimensions - Wheel diameter - 25 mm, wheel thickness: 5.5 mm, Total length : approx. 32 mm A perfect replacement - Over time, the rollers will need to be replaced. A screwdriver is all that is needed for repair Suitable for - For glass door openings: 10 ~ 12mm; 12mm recommended. thickness: 4-6 mm. For shower doors and massage cabins, bathtubs, jacuzzis or other furniture. To replace a defective bearing. Guides for shower door tracks. Delive with screw caps. Spring mechanism, also suitable for curved doors. With screws and plastic caps Individual shower door rollers/sliders/wheels/pulleys Replacement shower door roller Fits most shower screens Fits most shower screens, shower screens and steam rooms