STIHL® FS 131 RDescription: Dense, thick weeds cant 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