what size line does my stihl trimmer use

what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use what size line does my stihl trimmer use