The Chrome Plastic A/C & Heater Control Knob is a practical and versatile product designed to fit most Peterbilt makes and models. Made from durable chrome plastic, this control knob is sold individually and offers a sleek and stylish look to enhance the interior of your vehicle. With its easy installation and reliable functionality, this knob provides convenient control over your A/C and heater settings. Upgrade your Peterbilt with this high-quality knob that combines practicality and aesthetics seamlessly.