Polishing Abrasive Pad Material Application Concrete Disc Diameter 20 in Abrasive Grit 200 Maximum Speed 600 RPM Rotation Clockwise/Counterclockwise Estimated Blade Life 75 000 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