The Chrome Gun Barrel Air Valve Screw On Knob is a durable and stylish addition to any truck model. Made of chrome aluminum, this screw-on knob is sold individually and fits most makes and models. With a 6-month warranty from United Pacific, you can trust in the quality and reliability of this product. Whether you're looking for a truck model or OEM replacement, this air valve knob is a practical and functional choice. Upgrade your truck's air valve with this sleek and reliable knob for added convenience and style.