High-quality carbon steel materialThe main body of the floor guide rail is made of high-stability carbon steel to ensure strength and durability, and the wheels are made of wear-resistant, heat-resistant and corrosion-resistant materials. Push and pull smoothly without scratching the door panel. Perfect for cabinet, wardrobe or barn doors. Flat bottom designThe bottom is flush with the floor and the bottom groove design allows the mounting nuts to fit perfectly, and the nuts will not protrude and cause an uneven floor, ensuring that the door does not require slots and will not damage your beautiful floor. Quiet and anti-scratchThe sliding door guides have a high-quality bearing system designed to operate smoothly and quietly. The wheels rotate smoothly and therefore make no noise. Sticking the provided protective strips on the rollers not only prevents the door and rollers from being scratched by repeated friction and prolongs their service life, but also more effectively reduces noise and improves user comfort. Quick installation adjustment The floor rails can be combined in 8 different ways, and the distance between the two rollers can be adjusted according to the thickness of the door panel to meet your needs. The bottom is flush with the floor, and the nuts will not protrude and cause an uneven floor, and no additional grooves are required. Installation is quick and easy, and once adjusted correctly, it goes smoothly. Wide application: The simple and classic appearance of the floor rails is suitable for different decoration styles, such as industrial or rustic, and you can use them in various scenarios such as apartments, bedrooms, hotels, warehouses, farms, garages, etc. Suitable for all types of doors, whether it is cabinets, closets, barns or bathrooms. It can easily adapt to all types of configurations. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.