50g/200g Erium Oxide Polishing Powder High Grade Optical Compound for Car Watch Glass Features: brand new and high quality. Cerium Oxide is the best polishing powder to glass scrach because the chemical and physical reaction. Easy to use,just mix powder with water and apply to the glass surface with the polishing felt to restore lightly scratched for windows, mirrors, tabletops, windshields, glass tables, shower screens, windscreens, fish tanks, even car headlights to like-new condition. Mainly suitable for removing burrs, rust, dust, remove the oxide layer, coating, Improve the metal, stone and other materials quality. Widely used in micro-electronic devices, jewelry production and other industries, and supporting with various kinds of power tools use. Specifications: Material: cerium oxide powder A (red 50g) B (white 50g) C (red 200g) D (white 200g) Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Cerium Oxide Powder Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.