The GSS 23 AE Professional is the sander with a 190W power for extremely high surface quality.It has the best sanding plate material for the best surface quality and 5 times longer lifetime than rubber sanding plates.It is quiet and low-vibration for fatigue-free working. It has the Bosch micro-filter system: perfect mobile extraction.Also suitable for left-handers.The dimensions of the plates are 188x94mm