Makita BO5021KX1 2 Amp 5-Inch Variable Random Orbit Sander with Cloth Dust Bag and 15 Abrasive Discs Variable speed dial (4,000 - 12,000 opm) for sanding and polishing applications Powerful, yet lightweight (3.1 lbs.) Fast random-orbit action for aggressive sanding Efficient through-the-pad dust collection system All ball bearing construction for reduced vibration and noise