The FS 50 C-E grass and weed trimmer features a low-emission engine, delivering trimming performance that is 20% more fuel efficient than our previous model (FS 46). Its Easy2Start™ technology allows for quick, easy starting, while its elongated shaft is ideal for taller users. This well-balanced trimmer also features our easy-loading AutoCut® trimmer head — perfect for putting the finishing touches on your lawn. *A majority of STIHL gasoline-powered units sold in the United States are built in the United States from domestic and foreign parts and components.