Use with water-based floor stripping solution to remove worn and soiled floor finishes or sealers. May also be used to clean heavily soiled hard surface floors such as concrete, when used with proper cleaning solutions. For use on standard electric floor machines or automatic scrubbers. Ideal for use on machines speeds up to 350 rpm. Floor Pads Application: Stripping; Diameter: 20"; Color(s): Black; Color Family: Black.