Developed for tougher and more demanding finishing applications, Abranet Ace uses optimized net construction for superior performance. Grits P80 through P240 utilize ceramic grains for extended durability, and the ceramic coating on grits P320 and finer improve grain retention and standout for improved cutting. Abranet Ace is ideal for use when sanding hard woods, engineered solid surface and tough surface coatings. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.