The ROADWORKS International Inner Extension Rear Vertical Bars are a practical and versatile solution for your truck's sleeper extension needs. With a length of 57.5 inches, these bars are designed to fit both Lo-Roof and Hi-Rise sleepers with extensions. They come with various light hole options, including blank, combo holes, two-inch light holes, oval light holes, or super 21 light holes. Sold as a pair, these bars are backed by a Roadworks 1 Year Warranty. Upgrade your truck's functionality and style with these reliable and customizable Inner Extension Rear Vertical Bars.