(1) Lawn Mower Blade Fits John Deere Mowers AM104490 PT8721

One New Aftermarket Replacement Lawn Mower BladeFits:Fits Ariens Requires 3 for 52" deckFits Bobcat Requires 2 for 36" deck, 3 for 54" deckFits Bunton Requires 2 for 36" deck, 3 for 52" deckFits Exmark Requires 2 for 36" deck; 3 for 52" deckFits Gravely Requires 2 for 36" deck; 3 for 52" deckFits John Deere Requires 2 for 36" deck; 3 for 52" deckTech Info:Length: 18"Width: 2-1/2"Thickness: 0.204"CH Diameter: 5/8"Requires (2) Blades for 36" Cut, or (3) Blades for 52" Cut.Replaces Part Numbers:Fits Ariens 00273100, 00450300, 03253800, 03399704, 04916400, 04917900Fits Bad Boy 038-3000-00Fits Bobcat 112111-02, 12111-02, 32022A, 32022HD, WM132022Fits Bunton 6294, P2005, PL4206Fits Exmark 103-1578, 103-1578-S, 103-2508, 103-2518, 103-2518-S, 103-2528, 103283, 103-6580-S, 103-6582-S, 103-6584-S, 1-303146, 1-303495, 1-303527, 303527, 633482, 633484Fits Ferris 1521227, 1521227S, 5021227, A48185, FR5101756Fits Gravely 00450300, 03253800, 04916400Fits John Deere AM104490, PT8721Fits Simplicity 17