The Peterbilt Color Plastic Crystal Dome Lights in Purple are a practical and stylish addition to your vehicle. With a 1 3/8" diameter, these lights are available in a range of vibrant colors, including Amber, Blue, Green, Red, and Purple. Sold individually, each light requires a rubber grommet for installation. Designed to fit most Peterbilt and Kenworth makes and models, these dome lights provide a functional and visually appealing lighting solution for your vehicle.