NHC 207-3572, Oregon 55-068, Prime Line 7-07314, Rotary 9914 Fits over 90% of all gas powered trimmers, Not designed to fit Homelite, Ryobi, Ryan or McCulloch trimmers with hex drive arbor, Arbor size included: 3/8"-24 RHF, 7mm X 1 LHF, 7mm X 1 LHM, 8mm X 1.25 LHF, 8mm X 1.25 LHM, 10mm X 1.25 LHF, 10mm X 1 LHF |
