This stainless steel set consists of one post for the inside and one post for the outside, making it a practical and durable choice. Designed to fit most Peterbilt 377 and 379 models from 2004 and older, this product offers convenience and reliability. Made of high-quality stainless steel, it ensures long-lasting performance. Sold as a set, this product is a reliable solution for enhancing the functionality and appearance of your vehicle.