The MILWAUKEE M18 FUEL String Trimmer w/ QUIK-LOK, designed for landscape maintenance professionals, provides users with the power to clear thick brush, reaches full throttle in under 1 second and delivers up to 1 hour of run-time per charge. 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 QUIK-LOK Attachment System, is compatible with multiple attachments such as an Edger, Articulating Hedge Trimmer, and Pole Saw attachment. This gives users 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 without bogging down. REDLINK PLUS intelligence ensures maximum performance while protecting from overload, overheating and over discharge.