Nylon and copper - Good elasticity, good wear resistance Cost effective - Set of 8 rolls, multiple replacements, spare parts in one order Measure - Diameter of the wheel - 25mm, wheel thickness: 5.5 mm, total length: approx. 32 mm A perfect replacement - Over time the rollers need to be replaced. Only a screwdriver is additionally required for the repair Suitable for - For glass door openings: 10~12mm; 12mm recommended. Thickness : 4-6mm. For shower doors and massage cubicles, bathtubs, jacuzzi or any other piece of furniture Replacing a bearing that had broken Guides for Shower Door Track Supplied with screw covers. Spring mechanism, also compatible with curved doors. With screws and plastic caps Single shower door rollers/sliders/wheels/pulleys Replacement shower door roller Suitable for most shower enclosures Suitable for most shower enclosures, shower enclosures and steam cabins Shower Door Rollers,Bathroom Shower Enclosure Rollers