The STIHL FSA 57 is a lightweight and easy-to-use battery grass trimmer for maintaining lawns and edges, and the ideal tool for trimming around obstacles such as trees and shrubs. With a cutting circle diameter of 280mm, soft handle, adjustable shaft length at the press of a button and handle adjustment without any tools required the STIHL FSA 57 offers convenient ease of use at every turn. Included: AutoCut C 3-2 nylon mowing head, refill with no tools required.