These Peterbilt 2006 and newer door window deflectors are made of durable stainless steel. Designed to reduce cab air turbulence, these deflectors are 20.5 inches long and sold in pairs. Installation is hassle-free as no hardware is required; simply attach them using the included 3M two-sided tape. These deflectors fit most Peterbilt 2006 and newer makes and models, providing practicality and functionality. Improve your driving experience with these stainless steel door window deflectors.