Ultimate finish system tri-cut is designed to offer 1 product for three uses. remove grade 1200 grit and finer sand scratches with a wool compounding pad #5200 and an air or electric buffer (1500 to 2000 rpm), for 1500 and finer imperfections use a yellow acrylic polish pad #5230 or yellow foam cross cut pad #5270 at (1200 to 1750 rpm), and 3) finish to desired gloss with a blue foam cross cut pad #5280 or black foam cross cut pad #5290 at (1000 to 1120 rpm). Safe for use on all paints.