Polishmotor installing in the practice and in the laboratory.2-steps adjustable: 1400 U/min.or 2800 U/min. The surface ist made of aluminium founding.Exposed polishmotor, which although could put into the polishunit.Simply fitting of the polishspindle is possible. Safetyswitch is available.Through the prepared drill-holes is a fixing directly at the bench possible.