3M™ Headlight Lens Restoration System is a four-step process that restores the clarity of yellowed, hazedor dull headlight lenses. The kit contains sanding discs and polishing pad with compound. Intended for use with a drill. In the past, replacing scratched, clouded or yellowed plastic headlight covers was an expensive necessity in order to preserve safety. But now with the 3M™ Headlight Lens Restoration System car and motorcycle owners can shine and restore plastic lenses, including headlights, tail lights, fog and directional lights to like-new condition for a fraction of the cost and without having to leave home.