13,000 RPM; Features internal 1/8″ orbital head for ultra-fine sanding and polishing; The combined spindle-counter balance provides reliability and reduces vibration levels to 1.8 m/sec2; Precision alloy steel spiral-bevel gears extend tool life; The internal silencing system reduces noise levels to (78 dBA); Supplied complete with hook and loop 1.25″ round, 2″ round, and triangular padSanding discs available in 120/180/320/600/1000/1500 grit sizes; Lambswool and sponge polishing bonnets/pads are also available separately