STIHL FS 251 Gasoline String Trimmer is a powerful loop-handle gas trimmer designed for professionals who need a reliable and efficient tool. Featuring a semi-automatic choke lever, it a simplified starting procedure that saves you time and effort. This trimmer is equipped with a low exhaust emission engine that reduces fuel consumption and operating costs without sacrificing power. Its rugged design includes a versatile loop handle, for trimming around bushes, shrubs, and other hard-to-reach areas, providing excellent maneuverability for various landscaping tasks. The vertically-pleated paper air filter extends the service life, ensuring you can work longer without interruptions and depend on the trimmer for durability and performance. Model Number: FS 251 R