The Rupes Yellow Polishing Foam 100 mm (4 inch) is a tightly packed open cell foam pad designed to smooth away paint imperfections without creating visible scratches. Use this pad with Rupes Keramik Gloss Fine Gel Polish on a Rupes LHR75 3 Inch Pneumatic Random Orbital Polisher to remove fine paint defects such as towel marks or to remove heavy buffer holograms.