MaxPower 561546  Heavy Duty 3-Blade Set for 50 Inch Cut MTD/Cub Cadet/Troy Bilt Replaces 742-04068, 759-04047, 759-4047, 942-04068 Length - 17.9 Inch width - 2.5 Inch Center hole measures 3/4 Inch Heavy duty .187 Inch gauge steel Proudly Made in USA