Description This Milwaukee M18 FUEL multi-function power head features a brushless motor with two-speed control that offers maximum power for demanding applications. M18 FUEL technology allows the unit to achieve instantaneous throttle response and deliver best-in-class power and runtime. The QUIK-LOK coupler works well with the line trimmer, pole saw, edger, hedge trimmer and extension attachments, providing versatility and lower cost of ownership for the user. REDLINK PLUS intelligence delivers maximum performance and protection from overload, overheating and over discharge. Main Feature: Instantaneous throttle response, also allows for feathering trigger.