Nylon and copper - Good elasticity, good wear resistance Practical - Set of 8 rollers, multiple replacements, spare parts in one order Size - Wheel diameter - 27 mm. A perfect replacement - Over time, rollers need to be replaced. Only an additional screwdriver is needed for repair Suitable for - For glass door openings: 10 ~ 12mm; Recommended 12mm. Thickness: 4-6mm. For shower doors and massage cabins, bathtubs, jacuzzis or any other furniture LESOLEIL Shower door rollers Replacement rollers Shower door rollers 23 mm Shower door rollers 23mm shower rollers 8 pieces 23mm shower rollers Replace a broken bearing Shower door track guides Supplied with screw caps. Spring mechanism, also compatible with curved doors. With screws and plastic caps Single shower door rollers/slides/wheels/pulleys Replacement shower door roller Fits most shower stalls Suitable for most shower enclosures, shower cubicles and steam cabins Easy to install. Strong item and perfect design match perfectly with