4" Variable Speed Wet Stone Polisher 110V

4" Variable Speed Wet Stone Polisher has new features to perform better than ever. These improvements include variable speed control switch with an automatic speed feed-back system to maintain consistent RPMS with or without a load.
This makes it easier for users to see clearly the correspondence between RPM and the switch position they choose to do their polishing job.
Furthermore, Polisher has optimized the gear ratio, increased its torque output, makes the job for the operator much easier and efficient.