The Wagner PaintEater 4-1/2 in. Disc Sander is tough on paint but gentle on the surface. The high-performance, spun-fiber disc operates at 2,600 RPM to provide the proper combination of disc performance and user control and features an open-web disc design to minimize paint and dust build-up. Use the sander on its edge to remove paint chips, or operate it flat for smooth, feathered paint edges that create an ideal surface for repainting.Disc can come in black or purple color but it performs exactly the same High-power 3.2 Amp motor provides powerful performance2,600 RPM provides the optimal combination of disc performance and user controlHigh-performance, spun-fiber 3M disc aggressively removes paint yet is gentle on surfacesOperating the disc on its edge removes stubborn paint chipsOperating the disc flat will smooth and feather the paint edges for an ideal surface for repaintingOpen-web disc design minimizes the loading-up of paint and dustFlex-Disc system conforms to contours to provide consistent results on uneven surfacesMultiple hand positions ease user hand fatigueUse different hand positions for safety when you are sanding while on a ladder