Versatile Compatibility: Precisely designed to fit door frames and tracks ranging from 32-42mm (1.26 - 1.65in), this sliding gate kit is perfect for shops or warehouses with varying door sizes, suitable for multiple settings like courtyards and storage areas.Premium Materials: This roller chain sliding door kit features heavy-duty steel wheel frames paired with high-quality, wear-resistant rubber wheels and sturdy steel track rollers. Capable of supporting doors up to 600 lbs, its ideal for large sliding doors. The galvanized rust-resistant treatment ensures long-term durability without corrosion.Tight Fit Design: The serrated structure enhances wheel-frame alignment, providing stability even on sloped or uneven surfaces, ensuring consistent safety and performance.Easy Installation: Complete with all necessary components, this kit is easy to install, even for beginners, saving you time and effort.Smooth Operation: The sealed bearing design of the track rollers and casters ensures smooth, silent sliding. Resistant to corrosion, water, and dust, it reduces friction and noise during daily use, extending the gate roller system's lifespan and reducing maintenance needs, ultimately boosting efficiency.