30 Ft. of 0.065 In. replacement line and spool for GrassHog grass trimmers is factory wound for smooth, reliable operation. Fits multiple Grass Hog Model No. GH400, GH500, GH600, GH900, ST6600, ST7000, ST7700, CST1000, CST1100, CST1200, CST2000, NST1024, NST2018, NST2118, LST136, LST220, and LST400.