30' of 0.065" replacement line and spool for GrassHog grass trimmers is factory wound for smooth, reliable operation. Fits multiple GrassHog models No. GH400, GH500, GH600, GH900, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, NST1024,NST2018, NST2118, LST136, and LST400.