The Peterbilt Battery Or Tool Box Lower Replacement Step is a practical and durable solution for your truck. Made with #8 304 non-directional polished stainless steel, this step is built to last. It fits most Peterbilt models, including the 384 (2007-2016), 386 (2006-2016), 387 (1999-2011), and 587 (2011-2017). With its high-quality construction, this step provides a secure and convenient way to access your battery or tool box. Upgrade your truck with this reliable and functional replacement step.