Upgrade your sliding doors, cabinets, gates, and drawers with these Heavy Duty Vertical Track Roller Wheels. Designed for smooth, reliable operation, these bottom guide rollers feature soft rubber casters that glide quietly along tracks, reducing noise and minimizing wear on your surfaces. Each roller is built to handle demanding applications, supporting a load capacity of up to 110 lbs (50 kg), making them ideal for barn doors, heavy cabinet doors, and gates. The soft rubber construction ensures a gentle yet firm grip on the track, preventing wobbling and keeping your sliding doors aligned and stable. This set includes 4 rollers, providing everything you need for a complete installation or replacement project. Whether you are renovating a barn door setup or upgrading a cabinet drawer system, these durable casters deliver consistent, long-lasting performance. Easy to install and built to withstand regular use, these vertical track roller wheels are a practical solution for both residential and light commercial applications.