Providing up to 2,900 RPM, the 20V 10” Random Orbit Buffer is the right tool for a polished finish on your car. Its cordless convenience is portrayed by its lock-on switch for extended use. The d-handle design provides comfort and more control. The elastic buffer bonnet allows for easy pad changing in between polishing your car. Over 2.5 hours of runtime on the HART 20V 4.0Ah Lithium-Ion battery.