The Peterbilt AC and Heater Control Knob is a practical and reliable accessory for your Peterbilt truck. Made from chrome plastic, this knob is designed to fit most Peterbilt models. With its sleek appearance and durable construction, it adds a touch of style to your vehicle's interior. Easy to install and sold individually, this control knob allows you to effortlessly adjust the temperature and airflow in your truck's cabin. Enhance your driving experience with this high-quality accessory that ensures comfort and convenience on the road.