Fulfilling the demanding landscaper’s trimming needs, the STIHL FS 91 R trimmer is the well-rounded choice for professionals. It features a low exhaust emission engine and large fuel tank which provides 30% longer run times than the previous model. With its rubberized loop handle, this straight-shaft trimmer delivers a comfortable grip, the maneuverability needed to navigate obstacles, and the power to get the job done. The FS 91 R trimmer also has a simplified three-step start procedure that saves time and a superior air filter benefiting you in the long run. Cutting Heads & Blades Selection Chart (PDF)