Set of 4 pairs of sliding door rollers, closet rollers, replacement rollers for roller doors

[STURDY GALVANIZED IRON STRUCTURE] Each set of Marings cushion casters features a sturdy galvanized iron shell, passivated to prevent rust. The integrated molding design ensures the durability and longevity of the thickened surface. The two casters can support a load of 50 kg. [Anti-mark design with adjustable screws]: The cushion caster is equipped with a double spring system for strong support and smooth, elastic movement. The anti-mark device ensures the wheels stay in place, and the adjustable screws allow you to fine-tune the door height. [Quiet rolling performance]: The cabinet caster cushion is made of high-quality nylon, which is lightweight, durable, and wear-resistant. The rolling casters ensure quiet and stable operation and prevent noise during use. This feature makes it particularly suitable for bedrooms, living rooms, and other quiet environments. [Rail-Specific Compatibility]: The roller's glide is specifically designed for 39.5 mm Ups monorails to ensure a perfect fit and reliable performance. Compatible with certain next-turn guide rails, as shown in Figure 2, for optimal operation and stability. [Easy Installation, Versatile Use] This kit includes 4 pairs of sliding door rollers and 32 screws. No special tools are required. Our orbital sliding door roller is an excellent choice for various applications, including sliding doors, windows, cabinets, freestanding furniture, etc.