New Rand Grinding Set with dual wheels and a flexible die grinder * Unit is variable speed from 0-10,000 RPM. The speed can easily be changed with a twist of the knob. * Flexible and easily detachable, 36" long die grinder / moto-tool included. * Includes 2 wheels. (1) fine grit grinding wheel, and (1) fiber polishing wheel. * Accepts 1/8 shank bits of all types including Dremel bits.