Features: Standard dimensions: Our driveway gate track features standardized dimensions to ensure reliable performance and easy integration. Each kit includes 3 pcs 6ft long sections of track, with a profile of 2.24" in width and 0.6" in height, ensuring easy installation. Precision alignment for safety: Our barn door track's precise engineering ensures ideal section alignment, which is important for preventing gate derailment and enhancing system safety. This dimensional accuracy reduces the risk of operational failure, providing reliable gate security. Specifications: Material: galvanized steel Color: gray Size: 18 ft Package includes: 3 x 6ft sections V-track 18 x expansion bolts Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays