Integrated vacuuming system The guard ensures that polishing dust stays under the machine. The dust is collected in the dust container by passive vacuuming to reduce dust impact while polishing. Any dust collected is easy to empty " the filter bag is reusable. Automatic contact pressure The pad drive board is spring-mounted. The contact pressure is automatically regulated for consistent polishing results. The pad maintains optimal surface contact and follows any floor unevenness. High polishing speed 1,500 rpm for perfect polishing results. Integrated vacuuming system The guard ensures that polishing dust stays under the machine. The dust is collected in the dust container by passive vacuuming to reduce dust impact while polishing. Any dust collected is easy to empty " the filter bag is reusable.