Abrasive Pad, Material Application Concrete, Disc Diameter 20 in, Abrasive Grit 25, Maximum Speed 600 RPM, Rotation Counterclockwise, Estimated Blade Life 25,000 sq ft, Wet or Dry Use Dry/Wet, Blade Length 1 1/2 in, Number of Pieces 1, Product Type Standard-Duty Concrete Prep Pad, Application Concrete Prep, Compatible Tool Type Automatic Scrubber, Buffer