What size Weedeater string is best?
What size Weedeater string is best? String Trimmer Line Thickness String trimmer line comes in a range of thicknesses. For light work, such as trimming grass, 0.065″-0.085″ should be sufficient. For thicker grass and weeds, a line in the 0.085″-0.110″ range will get the job done, and for thicker underbrush, anything thicker than 0.110″ will work. What size string does a Stihl FS 36 use? The standard string for the TrimCut head is 0.105 inches in diameter, but you can install 0.095-inch string on this head. How old is a Stihl FS36? Mine, FS36, is about 17 or so years...