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 delivers up to 1-hour of run-time per charge. 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 REDLITHIUM XC 5.0 Ah Battery Pack delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market. Powerstate brushless motor: purposely built for the M18 FUEL power head with QUICK-LOK to generate the power and performance of high voltage platforms REDLINK PLUS intelligence: optimizes performance, provides overload protection preventing damage to tool and battery during heavy applications; compatible across the M18 system M18 FUEL string trimmer with QUIK-LOK is part of the M18 system which is fully compatible with over 250 tools Part of the QUIK-LOK attachment system Features the Milwaukee easy load trimmer head RPM: 0 - 4900/0 - 6201 Cutting swath: 14 in. - 16 in. Line diameter: 0.080 in./0.095 in. Trigger: variable speed Weight: 9.85 lbs. Includes: M18 FUEL power head with QUICK-LOK (2825-20) and M18 FUEL QUIK-LOK string trimmer attachment (49-16-2717), one 48-11-1850 M18 XC 5.0 Ah battery pack M18 FUEL string trimmer with QUIK-LOK is part of the M18 system which is fully compatible with over 250 tools