The BLACK+DECKER® MOUSE® 20V MAX* cordless sheet sander removes material at 12,000 OPM (orbits per minute) and has a finger attachment to sand hard-to-reach surfaces. It has a 2-position grip and a hook-and-loop system to change the sandpaper quickly. The on-board dust bag can be detached and emptied. The sander is powered by a rechargeable 20V MAX* lithium ion battery.