The John Deere GX20433 is a genuine OEM high lift 3-in-1 mower blade designed for optimal cutting performance on John Deere lawn tractors and zero-turn mowers with 42-inch and 48-inch mower decks. This versatile blade is engineered for bagging, mulching, and side discharge applications, providing a clean and efficient cut. Measuring 533.4 mm (21 inches) in length and 63.5 mm (2.5 inches) in width, with a thickness of 3.81 mm (0.150 inches), it features a 7-point star center hole for secure attachment. It is compatible with various John Deere models across the 100, D, E, L, LA, S, X, and Z series, ensuring a precise fit and reliable operation.