Sanding plate brake prevents damage (scoring) on workpiece,Bosch Micro-filter System: perfect mobile extraction,Velcro-type fastening for rapid, convenient sanding sheet changes,Eccentricity : 2 mm,Aluminium bearing flange for long lifetime and high running smoothness,Control Electronic and speed preselection, i.e. the right speed for every application,Vibration emission value (ah) : 4 m/s²,Uncertainty (K) : 1.5 m/s².