Makita BO5030 Random Orbit Sander is a smooth and fast sanding with 3.0-Amp motor (12,000 OPM), has a Large 1/8-Inch random orbit action for fast and super smooth sanding, pad control system for controlled pad speed upon start-up, and it is efficient through-the-pad dust collection system for a cleaner environment. Dust-sealed switch minimizes contamination. Rubberized grip for improved operator comfort and control. Uses quick change 5-Inch (8-hole) hook-and-loop abrasive paper. Oversized sealed ball bearing construction for longer tool life.