The MTD 74205056X cutting blade is a genuine OEM 3-in-1 mulching blade designed for 54-inch lawn tractor cutting decks. This blade, often superseded by part number 94205056X, measures 469.9 mm (18.5 inches) in length, 63.5 mm (2.5 inches) in width, and 3.81 mm (0.150 inches) in thickness, featuring a 6-point star center hole. It provides excellent cutting performance for mulching, bagging, and side discharge applications on compatible Cub Cadet models with 54-inch decks.