1/4 HP - 300 w - 2800 RPM 220V – 50 HZ option 110 V. Continuous duty electric motor. Supplied with 2 tapered fit accessories: Left buffing Wheel holder and Milling tool holder. Optional: right buffing Wheel holder and grinding wheel holder. Full shielded unit. Very quiet operation. Mounted on 2 shielded ball bearings. Extremely strong housing. Superb porcelain enamel finish.