The Peterbilt 388 and 389 2007 and newer battery box/toolbox panel is made of durable stainless steel. It features panels that cover the factory checker plate, providing a sleek and polished look. The driver side panel measures 32.69 inches long by 13 inches high, while the passenger side panel measures 30.44 inches long by 12.75 inches high. Sold in pairs and easy to install with the supplied hardware, these panels fit most Peterbilt 388 and 389 2007 and newer makes and models. Enhance the appearance and functionality of your truck with these high-quality stainless steel panels.