Let Your Sliding Doors Glide withEase! This heavy-duty roller chain sliding doorkit features durable steel and rubber wheels, supporting up to 600lbs. The serrated design improves grip and stability, ensuringsmooth operation. The kit is compatible with various frames andtracks, with easy installation. This roller frame is constructed withheavy-duty steel and features durable rubber wheels, capable ofsupporting doors weighing up to 600 lbs, making it ideal for largesliding doors. The galvanized rust-resistant treatment ensureslong-term durability and resistance to corrosion. The high-quality rubber wheels are bothsoft and elastic, effectively reducing friction with the groundduring use, preventing floor scratches. Whether on grass, asphalt,concrete, or gravel, the wheels ensure smooth movement acrossdifferent surfaces. This roller frame is designed to fit avariety of door frame sizes, making it suitable for courtyardgates, driveway gates, farm gates, and warehouse doors. It ensuresseamless installation and smoother sliding. For frequently usedsliding doors, the precise fit reduces the risk of jamming. The sealed bearing design iscorrosion-resistant, waterproof, and dustproof, ensuring smoothsliding with reduced friction and noise during daily use. Thisextends the lifespan of the wheels, making it especially convenientfor environments with frequent sliding door use.