The Oregon 91701 mower blade is a high-quality replacement part designed for Simplicity mowing decks. This blade features a length of 520.7 mm (20.5 inches), a width of 57.15 mm (2.25 inches), and a thickness of 3.81 mm (0.150 inches). It is equipped with a 5-point star center hole, ensuring a precise fit for compatible Simplicity models. The blade is engineered for durability and efficient cutting performance, providing a clean cut and reliable operation for your lawn care equipment.