When only perfection will do, Chemical Guys P4 easily and quickly helps gently remove fine swirls, towel marks, and scratches delivering a mirror-like reflection as the final step in your polish. With P4, speed is of the essence and long work times are not required, so you can get incredible results in the shortest time possible. When youre looking for a truly perfect finish with deep gloss, P4 polish technology effortlessly produces flawless results with your DA or rotary polisher. The versatile polish is capable of correcting 2000 grit and finer sanding marks without dusting or leaving behind residue, making this polish extremely easy to use and work with.