Chuck Diameter: 2.35 / 3.0 / 3.175. 6
Variable Speed Adjustment: you can easily adjust the speed to 15000 RPM to suit your specific grinding or cutting needs.
Can be widely used in automobiles, motorcycles, boilers, casting, engineering and other industries, deburring, oxidation, polishing, welding, etc. The micro grinder can apply for stone, tile, gres porcelain as well.