GP14004 Fine Grade Glass Polishing Compound, Glass Polishing Solution 3.4oz 3.4oz Fine Grade Polishing Solution delivers a uniform particle size, on average 1.2 micron This is a combination of a high concentration of rear earth oxides to provide the best possible finish in all polishing applications. Can be used on any type of glass including automotive glass, toughened glass. Polish away, surface marks, water damage, stain and limescale, removes hairline scratches Ideal for use with power hand device for light scratch and surface repair, or as the final polishing step in multi-stage glass scratch repair process, can also be used with hand pad for general surface clean-up.