Features Superior Quality: We specialized in sliding doors and hardware for many years. Our barn door hardware is made of high-quality carbon steel with a frosted black surface. Ball-bearing roller slides smoothly and quietly, and all nylon wheels have been tested beyond 100,000 rolls. Package Included: 2x ft rails, 5x rail spacers, 4x rollers, 4x roller brackets, 2 fixed connectors, 2x floor guides, 3x hex key, 2x sealing strip. All other necessary hardware is included as you see in the pictures. (Door not included). Very Detailed Installation Steps: We provide step-by-step graphic and text instructions. All measurements are in inches. It is very easy for you to take a reference during the installation. Support: We are the manufacturer of barn door hardware. We have a professional engineering team. If there is a question or problem, please feel free to contact us. We will try our best to serve you.