Compatible with Mack: Designed specifically to compatible with Mack CH, Mack CX, Mack Granite, and Mack Vision trucks (all without roof fairing), it ensures a great fit and seamless integration with the vehicle's roof structure Premium 304 Stainless Steel: Crafted from 304 stainless steel, this roof sun visor boasts outstanding rust resistance, ensuring it can withstand various weather conditions like rain, snow, and intense sunlight without rusting or deforming, thus providing long - lasting durability Effective Sun Glare Reduction: By extending over the windshield, this sun visor effectively blocks direct sunlight, reducing glare for the driver. This enhances driving comfort, especially during bright sunny days Comprehensive Kit: The package comes with a complete set of assembly parts, allowing for a smooth and hassle - free assembly process, so that you can easily put the sun visor together as guided by the assembly instructions Easy Screw - In: Featuring a screw-in installation method, it enables a secure and stable attachment to the truck's roof. The assembly instructions provided make the installation process straightforward