The STIHL FS 94 R trimmer delivers one of the best power-to-weight ratios in its class, weighing just over 10 pounds– great for maneuvering around hills, landscaping stones and other terrain. Its innovative control handle features an ECOSPEED throttle set wheel, allowing you to set the most effective throttle speed for a specific application such as low throttle around delicate plants. Combined with a high-powered, low- exhaust-emission engine and anti-vibration system, this grass and weed trimmer is a great everyday landscaping tool for trimming professionals.