The John Deere M153118 is a genuine OEM mower blade designed for 42-inch mower decks on select John Deere riding lawn equipment. This high-quality blade ensures a clean, efficient cut and long-lasting performance. It is a standard blade, often used in sets of two for 42-inch decks. Key dimensions include a length of approximately 533.4 mm (21 inches), a width of 57.15 mm (2.25 inches), and a thickness of 4.76 mm (0.1875 inches). The blade features a 17.46 mm (0.6875 inch) center hole and two 9.53 mm (0.375 inch) outer holes with a center-to-center spacing of 95.25 mm (3.75 inches).