(6) Replacement 20-1/2" X 25/32" Blades M112847 Fits John Deere Models AM-35557Six (6) New Aftermarket Replacement 20 1 2" X 25 32" Blades Fits John Deere Models: 1050, 1070, 2305, 2320, 2520, 3005, 3032E, 3036E, 3038E, 3120, 318, 400, 4005, 4120, 420, 430, 4320, 4520, 4720, 650, 655, 670, 750, 755, 770, 790, 850, 855, 870, 900HC, 950, 955, 970, 990 Specs: Center Hole: 25 32", Hole Diameter: . 7969" 20. 24mm, Length: 20 1 2", Thickness: . 187" 4. 75mm, Width: 2. 00" 50. 8mm, Ordering Amount: 6 Blades **Requires (3) for 60" Cut**