The MTD 74204021A is a genuine OEM left hand mower blade, precisely engineered for optimal cutting performance on compatible MTD lawn and garden equipment. Measuring 467.36 mm (18.40 inches) in length, 63.5 mm (2.50 inches) in width, and 3.81 mm (0.150 inches) in thickness, this blade features a star-shaped center hole for secure mounting. It ensures a clean cut and efficient grass discharge, maintaining the health and appearance of your lawn. Weighing approximately 0.77 kg (1.70 lbs), it is a durable replacement for worn or damaged blades.