HIGH QUALITY MATERIAL CONSTRUCTIONThe door tracks are made of hardened carbon steel with black coating for high strength and durability, with high quality hardware. installation, so it is easy to adjust and install, Safe to use for a long timeFULLY ADJUSTABLEAll configuration options can be easily adjusted to ensure a perfect fit. No matter what size or type of barn door you have, we guarantee this flooring guide will work for you.SafeSmooth slidingSwivel wheels perpendicular to the sides not only make the sliding smoother and quieter, but also save more space. Flat bottom design, won't damage your beautiful floorUnique designAdjustable zigzag design, firm, lightweight, concealed fixing, suitable for indoor and outdoor use, and can be perfectly matched to different styles of Valley barn door furniture. For balance, roller guides Reliable door stopper, prevent the door from swinging or scratching the interior wallEasy to installNo need to book grooves on the door or drill holes holes in the floor of the door. You can adjust the position of the rollers according to your door panel. great design is perfect Different styles of barn doors Product Description Features: 2. Made of hardened carbon steel with black coating for high strength and durability. 3. The size can be adjusted. 4. Maintain balance to avoid swinging and ensure the barn door slides smoothly. 5. Self-contained hardware installation, easy adjustment and installation, long-term safe use. 6. Excellent design goes well with many styles of barn doors. Features: Material: Carbon Steel Color: Black Dimensions: approx. 122*51*66mm Package Included: 1*Door Track Hardware Kit Note: Easy to install, but professional installation is highly recommended.