Blade support hubs compatible with CASTEL GARDEN lawnmowers FOR MODELS: NG464TR, NG464TR-E, NG504, NG504TR, NG504TR-E, NGL504TR, R484, R484TR, R484TR-E, RL484, RL484TR, RL484TR-E, 534TR-E, TD484, TD484TR, TD484TR-E, TDL484, TDL484TR, TDL484TR-E, 534TR FEATURES: Shaft diameter: 22.2 mm Insertion depth: 43 mm Reference code: 17-645 170003 Original part number: 22465607/0 CASTEL GARDEN