Makita's Finishing Sander (model BO4557), combines fast with smooth performance. The BO4557 is ideal for woodworkers and finish carpenters who require a light and efficient dust collecting sander. The BO4557 weighs only 2.2 lbs. and is engineered with a 1.6 AMP motor that delivers 14,000 OPM for fast and smooth finishing sanding. The precision engineered all ball bearing construction significantly reduces vibration and noise.