Makita BO6050J Random Orbit Sander, 6" Convenient 2-mode switch for "random orbit" and "random orbit with forced rotation" action Variable speed control dial (1,600 - 6,800 OPM) to match the speed to the application Ergonomically designed barrel grip and side handle for increased comfort 7/32" orbit diameter provides a swirl-free finish Tool-less backing pad change enables quick pad change to meet application