Random orbital polisher with positive-action drive. Input power (ampere): 1010W; No-load speed (rpm): 140-430 rpm/min Brushless: No Max. polishing pad diameter (inch): 160 mm Orbit (inch): 8 mm Orbit rate, no load (opm): 2900-8600 opm Tool weight (pound): 2,6 kg Tool Height (inch): 140 mm; Tool length (inch): 383 mm; Tool width (inch): 40 mm