The Chrome Air Valve Knob with Blue Kenworth Logo is a practical and stylish addition to any vehicle. Made of durable aluminum and treated with industrial hard chrome, this knob is built to last. It is available in both octagon and square shapes, fitting most makes and models. With its sleek design and high-quality construction, this knob adds a touch of sophistication to your vehicle's interior. Upgrade your air valve knob today for enhanced functionality and a polished look.