Floor Burnisher Pad/Brush Size 20 in Brush Speed - Maximum 320 RPM Power Source AC Cord Length 50 ft Handle Length 4 1/8 ft Handle Material Aluminum Product Type Floor Burnisher Battery Chemistry Not Battery Powered Brush Speed - Minimum 175 RPM Current 7 A Deck Material Metal Deck Style Disk Features Cam-Lever Provides Variable Height Adjustment Quick-Grip Pad Holders Frequency 60 Hz Horsepower 1 1/2 hp Includes Pad Driver