Ryobi 309562008 String Trimmer Replacement Head Genuine OEM Ryobi Part Fits several Ryobi/Homelite String Trimmers/Brushcutters, including: RY28000, RY28020, RY28040, RY15524, RY34442, RY28021, RY28041, RY28025, RY28045, RY34425, RY34445, RY34422, RY28060, RY28065, RY252CS, RY253SS, RY254BC