Features and Benefits: * 3" coarse foam ideal for cutting and removing oxidation * Ideal for repairing scratches, waterspots, and swirl marks * Small 3" size allows operator to compound in small areas * Hook backing for easy attachment to back-up pad * Use with Dynabrade 18055 and 10390 3" Buffers This coarser-celled yellow foam is ideal for heavier compounding work, rather than finishing.