Hardin HB-5800 Hand Held Angle Burnished Stainless Steel Polisher Comes with a 4 1/2" diameter x 4" wide medium non-woven drum (about 180 grit) High torque due to double gear reduction construction For tarnishing, burnishing, and polishing stainless steel and nonferrous metals Automatic power consumption adjustment module to compensate for work load 900 Watt variable speed 900-2800RPM