FS 91 TrimmerThis trimmer's solid drive shaft offers more flexibility in trimming applications. If youre a landscaping professional who uses their trimmer for mowing applications, grab the powerful STIHL FS 91 trimmer. Its bike handle design adds greater comfort and leverage, thanks to its redesigned rubberized grips. The trimmer also features one touch stop and a simplified starting procedure enabled by the semi automatic choke lever. Its low exhaust emission