Longest Lasting Machine Brightener This is our finest polish. Use sparingly to avoid build-up on the pad. Use after removing acid rain spots or other blemishes with a precleaner. This polish contains a high percentage of functional silicones, polymers and synthetic waxes and lasts over a year! Stereo Glaze #2 has an exceptionally deep and lustrous shine.We recommend this polish for the quality detail shop doing private work. Stereo Glaze #2 is as long lasting as any sealant on the market. On black cars, Stereo Glaze #2 with a foam pad or a clean wool polishing pad will produce a 100% swirl free finish.