Sonus SFX Clay, 100 gram, (3.5oz) Light Grey, Mild onus SFX Ultra-Fine Detailing Clay gently smooths, slicks and cleans your car's paint in one easy step. Acid rain, brake dust, road silt and a range of fallout are brutal enemies of your car's beautiful clear coat paint finish. Regular use of water and Sonus Gloss Shampoo wash away loose dirt but not the bonded contamination. The sun helps these pollutants to penetrate, oxidize and eventually destroy your paint. Traditional automotive detailing clays are designed to remove heavy contamination. They work by sheering off dirt particles on the surface of your car's paint. A medium to heavy-duty detailing clay will remove harsh, stubborn contamination, but may also create fine scratches that require polishing. Sonus SFX Ultra-Fine Detailing Clay is so fine that it will not leave microscopic scratches and offers safe contamination removal. It cannot be over-used. In fact, Sonus SFX-Ultra Fine Detailing Clay is so fine that it will not remove most waxes. This fine new clay comes in 100 gram bars, is body shop safe, formulated for use on new soft clear coats and prevents marring and hazing. Sonus SFX-Ultra Fine Detailing clay is softer and more pliable, making it easy to reshape for all of those tight contoured areas. Use Sonus SFX-Ultra Fine Detailing Clay regularly to remove road grime, bug and bird remains, rail and brake dust, fine paint overspray, road salts, hard water deposits, industrial fallout and acid rain.