Two unit, heavy duty, high speed, two 12 in.Dia bronze grinding wheels mtd in steel table w/formica top, 2 cast iron bowls w/swing spouts, 6 abrasive discs, 3hp motor w/built-in braking, operating data, 220v, 60hz, 3phase and 115v, 60hz, single phase, 52.500 in.Lgx27.500 in.Wx38.000 in.H o/a