REPLACES OEM: Ariens: 00273100, 03399704, 04916400, 04917900, 3399704, Bobcat: 112111-02, 2722543-02, 32022A, WM132022, Bunton: 6294, P2005, PL4206, Encore: 363046, 363291, 823004, Exmark: 1-303146, 1-303527, 1-633482, 1-633484, 103-2508, 103-2518, 103-2518-S, 103-2528, 103-5218-S, 103-6337-S, 103-6582, 103-6582-S, 103-6584-S, 103283, 116-5176, 116-5176-S, 303283, 633482, 633484, Ferris: 1521227, 1521227S, 5021227, A48185, Giant Vac: A581, Gravely: 00273100, 00450300, 04916400, 4916400, Great Dane: D18037, GDU10231, Husqvarna: 539100341, 539101485, Jacobsen: 390655, John Deere: AM104490, PT8721, Kees: 100341, 363055, 363245, PL4206, Lesco: 050125, 050140, 050241, 50125, 50140, PL4206, Scag: 48108, 481707, 481711, 48185, 482462, 482878, 482961, 483317, A48108, A48185, PL4206, Simplicity: A4815, A4815SM, Snapper: 1-7037, 1-7344, 101485, 363245, 7-6450, 7-7344, 7075751, 7075751BZ, 7075751BZYP, 75751, PL4206, Toro: 105-7779-03, 105-7781, 105-7781-03, 108-1117, 110-0409, Worldlawn: 823004, Wright Mfg.: 71440001, PL4206. FITS MODELS: Ariens Requires 3 for 50" deck, Bobcat Requires 2 for 36" deck; 3 for 54" deck, Bunton Requires 2 for 36" deck; 3 for 52" deck, Encore Requires 2 for 36" deck; 3 for 52" deck, Exmark Requires 2 for 36" deck; 3 for 52" deck, Ferris Requires 2 for 36" deck; 3 for 52" deck, Gravely Requires 2 for 36" deck; 3 for 52" deck, Great Dane Requires 2 for 36" deck; 3 for 52" deck, Husqvarna Requires 2 for 36" deck; 3 for 52" deck, Jacobsen Requires 2 for 36" deck; 3 for 52" deck, John Deere Requires 2 for 36" deck; 3 for 52" deckKees Requires 2 for 36" deck; 3 for 52" deck, Lesco Requires 2 for 36" deck; 3 for 52" deck, Scag Requires 2 for 36" deck; 3 for 52" deck, Snapper Requires 3 for 52" deck, Toro Requires 2 for 36" deck; 3 for 52" deck, Wright Mfg. Requires 2 for 36" deck; 3 for 52" deck. SPECS: Length: 18", Center Hole: 5/8", Width: 2 1/2", Thickness: .203", Packaging Type: Branded label.