This set of Genuine African Rosewood Door Windowsills with 4 Mounting Holes is designed specifically for the Peterbilt 359 series. Each windowsill comes with 6 chrome stainless mounting screws and 3 holes for the door handle/armrest, providing a secure and stylish addition to your truck. Made of high-quality 304 stainless steel, these windowsills are durable and built to last. Sold as a set of 2, they are a practical and attractive upgrade for most Peterbilt 359 series makes and models.