Mastic Abrasive Pad Material Application Concrete Disc Diameter 18 in Abrasive Grit 25 Maximum Speed 600 RPM Rotation Counterclockwise Estimated Blade Life 10 000 sq ft Wet or Dry Use Dry/Wet Blade Length 1 1/2 in Number of Pieces 1 Product Type Coating Removal Pad Application Coating Removal Compatible Tool Type Rotary Automatic Scrubber Single Disc Flooring Machine Includes (8) Blades