Equipped with a simplified starting procedure， the FS 251 R was built for pros with no time to waste. Designed with a powerful low exhaust emission engine， the FS 251 R saves users on fuel and operating costs without losing any of the power that they count on to get the job done. The FS 251 R combines its rugged design with versatile features such as the loop handle， ideal for trimming between bushes and shrubs and other hard to reach areas， to provide users with a heavy duty tool that provides optimal maneuverability to handle a variety of situations. Equipped with a vertically-pleated paper air filter that provides an extended service life， users can get to work quicker and count on the gas trimmer to last longer.Find the STIHL TRIMMER GAS 16.5 at Ace.