This pair of stainless steel panels is a practical and durable addition to your Peterbilt 379 or 389 with 48/58 inch sleepers. Made of #8 304 polished stainless steel, these panels are built to last. With a choice of 3 1/2, 4 1/2, or 5 1/2 inch drop, they can be customized to fit your specific needs. The panels also feature 34 - 3/4 inch light holes, conveniently located on the bottom flange. Enhance the functionality and appearance of your truck with these high-quality panels.