The new ETS EC 150 EQ is perfectly built for manual operation to reduce fatigue when carrying out overhead sanding work and a good feeling on edges, as well as convenient operation in any position. This sander is only 4 1/2" (116 mm) high, contains a brushless EC-TEC motor, and ergonomic housing geometry with perfectly balanced center of gravity. This sander also comes with additional innovative details such as integrated sanding pad brake and the unique Vibration Control System.