One melted when I tried to remove the paint. When I slowed the speed of the drill bit to cause a melt avoiding it, the other two barely removed the paint.
Pros
โค 5, SMART DESIGN --- Designed for easy access into narrow openings and tight spaces. Corrugated shape for light to medium use. Removes rust, scale and paint in hard-to-reach places. Sanding pads and sanding discs made of nylon. The brushes are mounted on 1/4" hex shanks. Fits any drill or impact driver.