Rupes Compound DA Coarse (Blue) is a heavy-cutting compound built to tackle serious paint defects, formulated for use with dual-action polishers. As the aggressive step in the Rupes system, this blue compound is designed to remove deep scratches, swirls, sanding marks, and oxidation efficiently, giving you the cutting power needed to correct neglected or heavily marred finishes. Its advanced formula works smoothly with your DA machine and matching cutting pads, delivering strong defect removal with a long working time and manageable cleanup. Once you have knocked out the heavy defects with this coarse compound, follow up with a finer polish to refine the surface to a high-gloss shine. A go-to choice for detailers demanding real correction performance, this coarse compound brings the trusted cutting strength of the Rupes system to your toughest jobs.