Originally Posted by LOW2000
Autogeek has this glass polishing kit that you can use with either a 7424 or on a rotary, it won't remove any deep chips, but should help minimize the imperfections in the windshield:
I've used it on a rotary. Gives your arms quite the workout and will hop around on you if not careful. Gets rid of minor scratching and windshield tracks. Not much you can do for pitting/chipping except windshield replacement.