This 400 rpm machine has a 43 cm brush/pad diameter and is designed for light cleaning tasks, such as polishing, scrubbing and spray cleaning of hard floors. This 400 rpm machine has a 43 cm brush/pad diameter and is designed for light cleaning tasks, such as polishing, scrubbing and spray cleaning of hard floors. It is lightweight and easy to operate, and is fitted with a unique, ergonomic handle for comfort and less fatigue during long shifts. Designed for basic high speed tasks Lightweight and easy to operate Wide angle, ergonomic handle Additional weight for demanding tasks Various accessories available