The Chrome Door Windowsill with 6 Mounting Holes is designed for 1987-2001 Peterbilt 370 trucks. This pair of chrome windowsills comes with 6 chrome stainless mounting screws for easy installation. It features 3 holes for the door handle/armrest and includes chrome stainless steel mounting screws. The windowsills are available in chrome and are sold as a set of 2. They fit most 1987-2001 Peterbilt 370 series makes and models, making them a practical and stylish addition to your truck.