Genuine Flymo double line spool and line Fits: Contour 500 XT, Power Trim 500 XT, Mini Trim Auto ST, Mini Trim, Auto XT, Mini Trim Plus XT, Contour XT, Speedi-Trim, Contour 500E, Mini Trim, Auto Mini Trim, Auto Plus, Contour 700, Contour, Multi Trim 250D, Multi Trim 250DX, Multi Trim 300D, Multi Trim 300DX, Power Trim, Power Trim 500, Power Trim 700, Revolution 2000, Revolution 2300, Revolution 2500, Twist 'n' Edge Part number: FLY021 and 513937190