The MILWAUKEE M18 FUEL String Trimmer kit w/ QUIK-LOK provides you with the power to clear thick brush， reaches full throttle in under 1 second. The split boom cordless string trimmer is made up of two components – the M18 FUEL Power Head w/ QUIK-LOK and QUIK-LOK String Trimmer Attachment. This M18 FUEL Power Head， part of the M18 FUEL QUIK-LOK Attachment System， is compatible with multiple split shaft attachments such as our Edger， Articulating Hedge Trimmer， and Pole Saw attachment. This gives you the ability to 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. The motor is positioned in the rear of the trimmer to provide the best combination of power， balance， and maneuverability. REDLINK PLUS intelligence maximizes performance while protecting from overload， overheating and over discharge. The advanced electronic package also delivers instant throttle response， high and low speeds， and a variable speed trigger giving you ultimate control over the power range. The M18 REDLITHIUM HIGH OUTPUT XC8.0 Battery (sold separately) gives you best in class performance and run-time in all applications. The Easy Load Trimmer Head provides an easy line loading experience and the ability to load up to 25′ of trimmer line in under 30 seconds.