The D-A COARSE Blue Foam Cutting Pad is the most aggressive in the Rupes BigFoot foam pad range. Compatible with both Random Orbital and Gear-Driven Polishers Easily fits on 5″ backing plate The unique open-cell foam material helps to manage heat while it removes mild to severe defects from most paint systems. The foam material is optimized for use with RUPES DA-COARSE Compound. This new pad combines the best aspects of the previous blue and green foams, with an increased durability and a more vibrant blue color. This pad is the first step in the Rupes Big Foot Polishing System. The Blue Coarse Foam Pad is very aggressive in its construction and was designed to be used with Rupes D-A Coarse Gel Compound. This combination of pad and product, when used on the Rupes Big Foot Random Orbital Polisher, is capable of removing up to 1500 grit sanding marks on fresh paint. Swirls, light scratches, water spots and other paint imperfections will be effortlessly removed with this pad. Always follow this pad with a less aggressive pad/polish combination to maximize gloss and surface smoothness.