This M18 FUEL Power Head, part of the M18 FUEL QUIK-LOK Attachment System, is compatible with multiple split shaft attachments such as the Edger, Articulating Hedge Trimmer, and Pole Saw attachment. You can quickly swap out attachments on a single power head, delivering ultimate versatility and a lower cost of ownership. The POWERSTATE Brushless Motor delivers up to 6,200 RPM with up to a 16" cutting swath and gives you the power to maintain speed in demanding applications. REDLINK PLUS intelligence maximizes performance while protecting from overload, overheating and over discharge. It also delivers instant throttle response, high and low speeds, and a variable speed trigger.