The 3M Perfect-It 3 Inch Foam Buffing Pad is designed for polishing and refining paint after sanding. The soft foam applies polish neatly with virtually no sling, no sticking and no smearing. 3M Perfect-It 3 Inch Foam Buffing Pads can also be used for general polishing and paint restoration. Use these pads with a medium grade polish, like 3M Perfect-It 3000 Machine Polish to removing sanding marks or paint swirls. 3M Perfect-It 3 Inch Foam Buffing Pads feature hook and loop backing to attach to any hook and loop backing plate measuring 3 inches or less in diameter.