DAYTON 4NEK1 Floor Scrubber Polisher 20 Inch Dual 1.5 HP 185/330. This is a new polisher in its original box. The box has been opened to take pictures for listing purposes. Floor Scrubber/Polisher, Pad/Brush Size 20 in, Brush Speed – Maximum 330 RPM, Power Source AC, Cord Length 50 ft, Handle Length 32 in, Handle Material Metal, Product Type Floor Scrubber/Polisher, Battery Chemistry Not Battery Powered, Brush Speed – Minimum 185 RPM, Current 15 A, Deck Material Metal, Frequency 60 Hz, Horsepower 1 1/2 hp, Housing Material Metal, Includes All Steel Gear Box, Pad Driver. Machine Size: 20 in. Motor: 1.5 hp. Brush Speed: 185 RPM, 330 RPM. Cord Length: 50 ft.