The Chrome Peterbilt Dash Data Display Module Control Knob is a set of chrome plastic knobs that serve as a direct replacement for the OEM control knob. These knobs are designed to fit perfectly and provide a sleek, modern look to your Peterbilt truck's dashboard. With their easy installation and durable construction, these knobs are a practical and stylish upgrade for any truck owner. Upgrade your truck's interior with the Chrome Peterbilt Dash Data Display Module Control Knob set.