Dual speed 175 320 RPM machines have the power and speed to spray buff and dry polish tile floors providing an excellent result. Pad Drivers and Scrub Brush not included. Patented rotationally molded one-piece housing reduces noise and vibration for improved operator comfort Dual 175 / 320 RPM operating speeds effectively scrubs, strips, spray buffs and polishes every type of floor Powerful 1.5 hp motor maintains power and torque to perform multiple floor maintenance tasks Full surround non-marking bumpers help prevent damage to walls and furniture