Pack Of 4 Spool and LinesQuality non genuine partFits flymo double auto feed electric line trimmersDouble feedReplaces FLY021FitsFlymo 25 (9648581-62) 250 DX 250 Plus Twin 300 DX Contour (9648589-25) Contour (Power +) 500 EIT250 (9648593-25) Contour (Power +) 700 EIT300 (9648595-25) Contour 500XT (9666769-01) Contour 500XT CTXT25 (9669524-01) Contour XT MCXT25 (9669523-01) Mini Trim Mini Trim Auto Mini Trim Auto ET23+DX (9648578-25) Mini Trim Auto Plus XT Mini Trim Auto ST (9669520-62) Mini Trim Auto XT Mini Trim Auto+ ET23DX (9648585-25) Mini Trim Contours XT (9669253-01) Minitrim Auto Plus (9648579-25) Multi Trim Multi Trim 250 Multi Trim 250 D Multi Trim 250 DX Multi Trim 250 Plus Twin (9648550-25) Multi Trim 300 Multi Trim 300 DX Multi Trim 300 Twin (9648555-25) Power Trim 500 Power Trim 500 SET250 (9648596-25) Power Trim 500XT PTXT25 (9669526-01) Power Trim 700 Power Trim 700 SET300 (9648597-25) Power Trim PWT23 (9648641-25) Revolution 2000 (Twin) (9648574-25) Revolution 2000 (Twin) MET230 (9648553-25) Revolution 2300 (Twin) (9648575-26) Revolution 2300 (Twin) MET230 (9648553-26) Revolution 2500 (Twin) Speedi-Trim STXT25 (9669790-01) and Twist &39;N&39; Edge (9648581-25)