Glass door rails - Large flat wheel design increases load capacity and stability, making these wheels suitable for various glass door thicknesses. They work well as shower door rollers and sliding door runners. Shower door rollers - Engineered for quiet operation to minimize noise and create a calm shower environment. These are replacement wheels for shower doors. Shower track wheels - Versatile sliding door wheels for showers, bathrooms, and other applications. Replaces traditional shower door rollers when needed. Durable construction - Built with robust materials for long-lasting performance in bathroom door wheels and track runners. Use scenarios - Replacing worn wheels in a glass shower enclosure with mixed glass thicknesses to restore smooth, quiet sliding. - Upgrading a noisy bathroom shower door with new rollers to achieve quieter operation and improved door alignment. - Installing in a shower cabin or bathroom project that uses sliding rails, providing dependable performance and easy replacement. This product maintains compatibility with standard shower door rails and offers clear benefits in function, compatibility, size, material, and performance.