The Peterbilt 379, 386, 388, and 389 5 Inch Door Mounted Mirror Window Chop Top with Flange is a high-quality stainless steel product that offers practicality and durability. Sold as a pair, this mirror window chop top comes with all the necessary hardware and a 1-year warranty. It can be easily installed using 3M tape and fits most Peterbilt 379, 386, 388, and 389 door mounted mirror models, as well as various other Peterbilt 300 series models. With its sleek design and reliable construction, this product is a great addition to any Peterbilt truck.