Description Enhance sliding door performance with these barn door floor guide rollers crafted from cold rolled steel andnylon material, designed to minimize noise and maximize durability. Suitable for hospital, library, and other quiet spaces, these sliding barn door roller wheels ensure smooth operation, reliable door guidance, and long-tme use in both heavy-duty and standard applications. Features -Color:Multi -Material:Cold Rolled Steel, nylon -Size:7.50X2.50X2.10cm/2.95X0.98X0.83in -Silent operation: enjoy seamless door movement with our sliding door bottom rollers made from cold rolled steel and nylon, ideal for libraries and hospitals where quiet function is essential -Heavy duty performance: these barn door bottom wheels support various heavy sliding door, providing reliable stability for both indoor and outdoor usage -Smooth mobility: designed for sliding barn door roller wheel applications, they for motion along rails and minimize friction, reducing daily wear -Effortless installation: door bottom wheels fit most sliding door tracks, allowing users to upgrade old doors quickly without professional tools or complication -Weather resistance: with enhanced durability, these sliding door wheels excel in diverse climates, making them suitable for sliding barn door hardware roller needs inside or outsidePackage list: 10 x rollers 20 x screws