The STIHL FSA 45 Kit is a Compact battery Grass Trimmer for straightforward trimming and clearing work in outdoor areas at home. Integrated battery with charge level indicator, shaft and loop handle offering tool-free adjustment, adjustable mowing unit working angle (useful for vertical edge trimming among other tasks), easy to switch between PolyCut blades and mowing lines without changing the mowing head, spacer bracket. For a compact yet powerful trimmer, the STIHL FSA 57 Kit is an excellent choice for homeowners looking for a versatile and eco-friendly tool.