Nylon and copper construction provides good elasticity and wear resistance. Set of 8 rollers, designed for multiple replacements, allowing spare parts to be ordered in a single set. Wheel diameter: 25 mm, wheel thickness: 5.5 mm, total length: approximately 32 mm. Easy replacement over time as rollers wear out; installation requires only a screwdriver. Suitable for glass door thicknesses of 10 to 12 mm, with 12 mm recommended. Compatible with shower doors, massage cabins, bathtubs, jacuzzis, and similar furniture. Replaces defective bearings and serves as a guide for shower door tracks. Includes spring mechanism, suitable for both straight and curved doors. Comes with screws and plastic caps. Individual shower door roller, slider, wheel, or pulley. Fits most shower screens and steam rooms.