ITEM NAME:39Pcs Deep Scratch Remover Auto Car Glass Polishing Kit 8 Oz Cerium Oxide P F9Z1 39Pcs Deep Scratch Remover Auto Car Glass Polishing Kit 8 Oz Cerium Oxide P F9Z1 To polish light scratch:1.Clean the glass first, get the cerium oxide powder 1:1 mixed. 2.Attach the hook and loop backing pad to a electric drill. Attach the wool polishing pad to backing pad .Apply a small amount of the wet paste to the glass and wool polishing pad. 3.Work the polishing pad over the scratch. Not exceed 2000 RPM, 2KG pressure. 4.Applying more wet paste as needed. Add a little water if too dry or overheat, excess heat will crack glass. 5. Repeat until the light scratch is no longer visible. Specifications: Name: 39 In 1 Glass Polishing Kit Color: picture color Material: magnesium powder Size: Wool-felt polishing wheel: 52x30mm/2 inch x1.2 inch Wool-felt polishing pad: 50x9mm/2 inch x0.3 inch Magic tape backing pad: 50x25mm/2 inch x1inch Sandpaper: 50mm/2 inch Features: Easy for everyone to DIY repair damaged glass with an electric drill. Package Contents: 1 * red polishing powder (8 oz) 30 * sandpaper (150 sheets per 150/320/600/1000/3000/7000) 2 * felt polishing wheel (30mm/25mm) 4 * felt polishing pads (50mm) 2 * disks (M6 50mm)