The Milwaukee M18 FUEL String Trimmer with QUIK-LOK, designed for landscape maintenance professionals, provides users 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 2-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. The motor is positioned in the rear of the trimmer to provide the best combination of power, balance and maneuverability. REDLINK PLUS intelligence ensures maximum performance while protecting from overload, overheating and over discharge. The Milwaukee M18 FUEL QUIK-LOK 3 ft. Attachment Extension is powered by the M18 FUEL Power Head with QUIK-LOK and is compatible with the QUIK-LOK 10 in. Pole Saw and Articulating Hedge Trimmer Attachments. The extension attachment gives users 3 ft. of additional length for applications requiring further reach.