Wagner 0513040 Paint Eater One Step Paint Remover Tool, 3.2 A, 2000 RPMUse on wood, masonite, steel. The Painteater 4 1 2" disc sander is tough on paint but gentle on surfaces. The high performance, spun fiber disc operates at 2,000 RPM to provide the proper combination of user control and abrasive performance due to the open web disc design that minimizes paint and dust build up. Slightly tilt the sander on its edge to remove paint chips, or operate it flat for smooth, feathered paint edges that create an ideal surface