Dual 4-1/4" Polisher Polishing Buffer Buffing Bench Top Machine Jeweler Bench Polishing Machine Motor: 200 Watt, 110V @ 60 Hz Single Phase RPM (no load): 2000 to 7000 RPM 2 Buffing Wheels: 4-1/2" x 1/2" *can take up to 6" Diameter Wheel* Quantity: 1; Overall Dim: 11" x 6" x 6"