Features and Benefits: Detachable Polish Dispenser for use on hand held surface finishing power tools Fits on Dewalt, Makita, Milwuakee, Porter Cable and many more Gravity fed impellar motor for use on heavy cut and fine cut polish Lithium Ion Battery comes fully charged and can run 6 gallons of polish on one charge Multiple Tips for different size pads and applications The ThumbGun dispenser is firmly attached to rotary polishers by its strap strategically placed to avoid vent holes on the polishers. The thumb-switch activates an electric pump which dispenses liquid polish through nozzle and onto work surface so that the user can easily determine how much and control the amount of polish product that is comsumed. The ThumbGun switch is conveniently located near and above the polishers handle. This allows for uninterrupted operation while gripping the polisher by the handle, activating the trigger with the forefinger and using the thumb on the ThumbGun switch. The ThumbGun dispenser is perfect for use on autos, trucks, boats, RVs and planes.