Designed to meet the needs of landscape maintenance professionals， our M18 Fuel String Trimmer kit w/ Quik-Lok provides you with the power to clear thick brush， reaches full throttle in under 1 second and features a balanced design which increases user control. The 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 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 in. cutting swath and gives you the power to maintain speed in demanding applications without bogging down. The motor is positioned in the rear of the trimmer to provide the best combination of power， balance and maneuverability. RedLink Plus intelligence gives you maximum performance while protecting from overload， overheating and over discharge. The advanced electronic package also delivers instantaneous 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 gives you best in class performance and run-time in all applications. The Easy Load Trimmer Head provides you with an easy line loading experience and the ability to load up to 25' of trimmer line in under 30 seconds. Our M18 Fuel String Trimmer w/ Quik-Lok is part of the M18 system which is fully compatible with over 200 tools. In addition to the cordless Power Head w/ Quik-Lok and Quik-Lok String Trimmer Attachment， the kit includes one of our M18 RedLithium High Output XC8.0 Batteries as well as an M18/M12 rapid charger.