Menzerna Super Finish Polish 4500 Compound (Quart) The first polish developed and used by the major German automobile manufacturers after incorporating new scratch-resistant clear coat finishes, PO85RD set the standard for a revolutionary line of polishing products. With our exclusive proprietary polishing powder that is both extremely sharp and nano-fine, combined with a specific liquid base that allows for the perfect working time, no other product is capable of achieving such deep gloss on all dark colors.