The STIHL FS 91 works effectively on large areas of tough grass. It features a simplified start-up sequence for easy starting, a bike handle for comfort, and a control handle with a stop button for convenience. The 4-MIX® engine and larger tank provide longer usage, while the rigid drive shaft and double shoulder harness enhance durability and reduce operator fatigue. Looking for a powerful trimmer? Check out the STIHL FS 91 R – perfect for tough landscaping tasks.