Heavy-duty professional trimmer with low-exhaust emission engine and very good power-to-weight ratio.Dense, thick weeds can’t stand up to the professional power of the STIHL FS 131 R trimmer. It features a low exhaust emission engine and a larger fuel tank that delivers 30% longer run times when compared to previous models. This professional trimmer also features simplified starting enabled by the semi-automatic choke lever and one-touch stopping to reduce the hassle of restarts. Its rubberized loop handle provides a comfortable grip. Add this tough trimmer to your fleet today.