Over time, headlights become scratched and oxidized, leaving them yellow and hazy. This causes headlights to shine less brightly and diminishes driving visibility. To restore clarity, the Rain-X^® Premium Headlight Restoration Kit uses a dual mechanic al and chemical solution. Sanding and refining to remove scratches and impurities and polishing and protecting to optimize clarity and prolong results. Includes drill attachment for easier sanding & polishing.