Get great value with the STIHL FSA 57 lithium-ion trimmer. A lightweight, battery-powered trimmer, the FSA 57 is an ideal choice for maintaining suburban yards. This trimmer cuts an 11" swath at a continuous high speed, saving time and doing more with a STIHL AK System battery. With an AK 10 battery, this trimmer weighs less than eight pounds and has a run time of up to 25 minutes* On A Single Charge™. For comfort and convenience, this unit features an adjustable shaft to customize height, an easy-to-use AutoCut® head which feeds noise-reducing line, and a bump guard to help trim carefully around obstacles like trees and shrubs. The FSA 57 trimmer is available as a stand-alone unit or as a value-priced set with the AK 10 battery and AL 101 battery charger. Other battery options are available.   *Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. View Our Usage Chart