1. Cerium oxide is the best polishing agent for glass scratches due to its reaction. 2. Easy to use, just mix with water and apply to the glass surface with a polishing felt pad on lightly scratched windows, tabletops, windshields, glass, shower screens, windscreens, aquariums, even car headlights to like-new condition. Product Description Name: 8-piece polishing set. Pad. Max RPM: 12000. Suggested instructions for using cerium oxide: (1) Necessary supplies: 1. Cerium oxide 2. Water (some recommend distilled water) 3. Polishing pad 4. Electric drill 5. Small plastic containers (pint or quart size) 6. Spray paint: white. Material: felt. Package contents: 1 x 120g cerium oxide. 1 x 2cm felt polishing pad. 1 x 3cm felt polishing pad. 1 x 3-inch felt polishing pad. 1 x 8mm drill adapter. 3 x 3-inch diameter polishing pad. Only the above package contents, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real item. The allowed measurement error is +/- 1-3 cm.