The Roadworks Freightliner Century/Columbia Vertical Side Wing Extension is a practical and versatile product designed to enhance the functionality of your truck. Made from durable stainless steel, this kit includes four pieces that easily fit most Freightliner Century and Columbia makes and models. With its sleek design, this side wing extension not only adds a stylish touch to your truck but also improves aerodynamics. Please note that it is not compatible with trucks that have rubber extensions, even if the rubber is removed. Upgrade your truck with this reliable and efficient side wing extension.