The Ryobi Random Orbit Sander delivers optimal results in a wide variety of sanding applications. The 18-volt battery-operated sander features 10,000 orbits per minute with random orbital action for a smooth, virtually swirl-free finish. Changing the sandpaper is fast and simple with the hook-and-loop sanding pad, and the body grip design and GripZone over-mold offer comfortable operation. This cordless sander is compatible with all RYOBI 18V ONE+ batteries and chargers(sold separately).