The Toro 40376003 is a genuine OEM replacement blade designed for various Toro Groundsmaster and Reelmaster commercial mowers, as well as ProCore aerators. This high-quality blade measures 520.7 mm (20.5 inches) in length, 57.15 mm (2.25 inches) in width, and 3.96 mm (0.156 inches) in thickness, weighing approximately 0.975 kg (2.15 lbs). It provides reliable and efficient cutting for maintaining turf quality across a wide range of Toro professional landscaping equipment.