Chemical Guys Clay Bar (Heavy Duty) - BlackThe Heavy Duty Clay Car removes intense embedded grime and debris when all other clay bars fail to restore a smooth finish to severely neglected daily drivers. Use This Clay To: Extract filth from the most neglected cars Decontaminate cars kept outside for years Remove contamination lighter clay bars can't budge Provide a clean base for wax and sealants Restore shine on dull paint Designed For The Most Intense Contamination If no other clay bar can