Cerium oxide is effective for glass scratch polishing due to its unique properties. It is easy to usesimply mix it with water and apply it to the glass surface using a polishing felt. This can be beneficial for lightly scratched windows, tabletops, windshields, glass shower screens, windscreens, fish tanks, and car headlights, helping restore them to a like-new appearance.Name: 8 pcs Polishing Kit Pad Max RPM: 12000 Suggested Instructions for Use of Cerium Oxide Supplies Needed: 1. Cerium Oxide 2. Water (distilled water is recommended by some) 3. Polishing Wheel 4. Electric Drill 5. Small Plastic Tub (pint or quart size) 6. Spray bottle Material: Felt Package Contents: 1 x 120g cerium oxide 1 x 2cm felt polishing wheel 1 x 3cm felt polishing wheel 1 x 3 inch felt polishing wheel pad 1 x 8mm drill bit adapter 3 x 3 inch diameter polishing pad Only the above package content is included; other products are not included. Note: Lighting and different displays may cause the color of the item to vary slightly from the actual product. The measurement allowed error is 13 cm.