set of 4 pairs of rollers for sliding doors, cabinet rollers and replacement rollers for roller doors.

[Sturdy Galvanized Iron Construction] Each set of shock-absorbing casters features a robust galvanized iron housing, passivated to prevent rust. The one-piece molded design ensures durability and longevity thanks to the thick surface. Two casters can support up to 50 kg. [Scratch-Resistant Design with Adjustment Screws]: The shock-absorbing casters are equipped with a double-spring system, providing firm support and smooth, elastic movement. Their scratch-resistant design ensures wheel stability and prevents slippage, while the adjustment screws allow for precise door height adjustment. [Quiet Rolling]: The casters' shock-absorbing pads are made of high-quality nylon, which is lightweight, durable, and wear-resistant. The casters ensure quiet and stable operation, effectively reducing noise during use. This feature makes them particularly suitable for bedrooms, living rooms, and any other area requiring a quiet environment. [Rail Compatibility]: The rollers fit perfectly onto the rails for reliable performance. [Easy Installation, Versatile Use] This kit includes 4 pairs of sliding door rollers. No special tools are required. Our rail-mounted sliding door rollers are ideal for many applications, including sliding doors, windows, closets, freestanding furniture, etc.