STIHL FS 38 Grass TrimmerWhen it comes to getting long grass or wild growth under control, nothing makes it easier than the STIHL grass trimmers. One of the lightest grass trimmer in the STIHL range. Powerful and durable grass trimmer for domestic trimming and lawn edging. Technical data Technical data Value Standard Cutter Blades AutoCut Displacement cm 27. 2 Power output kW 0. 65 Weight kg 1) 4. 1 Sound pressure level with plastic tool dB(A) 2) 94 Sound power level dB(A) 2)