Prep and Ultra polishes provides you with a complete two-stage solution to the perfect finish. First, use the agressive Prep Polish to remove roughness. It’s thorough cutting action clears away years of oxidation and leave the surface well prepared for finish polishing. Next, buff to a mirror-like finish with Ultra Polish. The super-smooth Ultra Polish will also restore optical quality to acrylics, as well as remove fine scratches in fiberglass and paint surfaces, restoring the original showroom shine. 2 lbs (1Kg) shipping weight.