Stihl FS40 Petrol Grass TrimmerStihl FS40 Petrol Grass Trimmer For trimming small areas of grass and lawn edges. STIHL FS 40 Strimmer has a simple starting system, multi function controls, round handle, 2 MIX engine. With bent shaft, loop handle and AutoCut mowing head ideally for trimming small areas of grass and around obstacles. Features: 2 stroke engine with stratified charge. A fuel free layer of air is created between the burned charge in the combustion chamber and the fresh