These Peterbilt and Kenworth Snap-On Gauge Covers are a practical and beneficial addition to your truck. Made of chrome plated steel, these covers are durable and long-lasting. With a 3-3/8 inch diameter, they fit most Peterbilt and Kenworth models. Each cover features an Isspro Pyrometer and does not include a visor. These gauge covers are sold individually, making it easy to customize your truck's interior. Enhance the functionality and style of your truck with these reliable and versatile gauge covers.