Adjustable Barn Door Guide: 8 configuration options are easy to adjust to ensure the fit of all kinds of barn doors of different sizes. Fully Flush Bottom: The barn door bottom bracket lays completely flat on the floor, helping you set it up quickly. Protect Barn Door From Scratches: Fixing wall screws lay flat with bracket to prevent popping out and scratching against your barn door. Material: Carbon steel which prevents rust. The premium nylon roller keeps it quiet as it slides. Black frosted surface, durable and long lasting. Double-sided roller: smoother double-sided roller, which makes your experience more comfortable. NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products