Replaces OEM# for Ariens: 21285000, 8779200 Bunton: PL7329 Dixie Chopper: 30227-50, 30227-50H, 30227-50V, 30227-H, 30227-N, 30227H Dixon: 539126276, 539129741, 8689, 9229, 9258, 9264, 9265 Gravely: 046998, 08779200, 08899600, 090824, 09082400, 09246700, 11234, 21285051, 46998, 8779200, 8779251, 8861651, 88993300 Lesco: 050403 Toro: 113579, 113579-09, 30227 Fits Models: Fits Bunton: Requires 3 for 50″ Deck Dixie Chopper: Requires 3 for 50″ Deck Gravely: 888015, 991006, 992009, Pro 200 & 300 Series & 34Z 992056; Requires 3 for 50″ Deck Toro: Requires 3 for 50″ Deck Specs: Length: 17″ Center Hole: 5/8″ Width: 2.5″ Thickness: .250″ Air Lift: 1-3/16″