Super Fine Clay Bar helps remove and eliminate: Bugs, Tree Sap, Paint Over Spray, and Road Tar as well as, rail dust, brake dust and industrial fallout, which are contaminants that derive from friction and air pollution. The Super Fine Clay Bar is simple to use, just rub gently across the paint surface to safely and quickly remove surface contamination.. Just like a soft pencil rubber. Use prior to polishing your car for an ultra-smooth finish. This single non-abrasive grade works on all paint conditions yet is still clear coat safe. Super Fine Clay Bar offers excellent value for money, is very flexible and long lasting