The Peterbilt 379 1993 to 2007 Sleeper Extension Panels are a practical and beneficial addition to your truck. Made of stainless steel, these panels are durable and long-lasting. They are available in two sizes, 63 inch and 70 inch, and come in three different styles: blank, 2 inch round holes, or slotted holes. Sold as a kit, these extension panels are designed to fit most Peterbilt 379 models from 1993 to 2007. Enhance the functionality and appearance of your truck with these high-quality sleeper extension panels.