Polishing Abrasive Pad, Material Application Concrete, Disc Diameter 15 in, Abrasive Grit 400, Maximum Speed 600 RPM, Rotation Clockwise/Counterclockwise, Estimated Blade Life 100,000 sq ft, Wet or Dry Use Dry/Wet, Blade Length 2 in, Number of Pieces 1, Product Type Concrete Polishing Pad, Application Concrete Polishing, Compatible Tool Type Rotary Automatic Scrubber, Single Disc Flooring Machine