This is the prewound spool for the AutoCut C3-2 cutting attachment loaded with.080 STIHL Quiet Line. This comes 3 in a pack.
Stihl Autocut C 3-2 Replacement Spool 3pk
Trimmer head Stihl autocut c 6-2 for lawn mower mowers scythe Braid FS 38-45
STIHL AUTOCUT® (TapAction™) Mowing Head