FeatureAF-100 Replacement Spool Line and Cap RC-100-P with Spring for Black&Decker30-feet replacement line is factory wound for a superior feedEach spool contains 30 feet of 0.065 inch diameter lineAdopts centrifugal force to feed the trimmer line as it is neededAvoids time spent hand-winding string trimmersSuitable for most Black and Decker brand single line automatic feed trimmers and edgers Specification:Material:NylonColor:Black(As Pictures Show)Line length:30ft(Approx.)Diameter:0.065 inch(Approx.)Fits multiple string trimmer models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST220, LST300, LST400, LST420, LST136 Package included:1*Spool Line1*Replacement Cap1*Replacement Spool Spring Note:Please allow 1-4cm difference due to manual measurement.Due to light and screen difference, the item's color may be slightly different from the pictures.