The Peterbilt 379, 388, and 389 48 Inch Battery Box with Locks is a practical and reliable solution for your truck's battery storage needs. Made from durable stainless steel, this battery box includes locks for added security. Its molded lid ensures a snug fit, making it compatible with most Peterbilt 379, 388, and 389 models. With its sturdy construction and convenient features, this battery box provides peace of mind and easy access to your truck's batteries.