The Oregon 91546 is a high-quality standard lift mower blade designed as a direct aftermarket replacement for Grasshopper OEM part 320236. This durable blade measures 457.2 mm (18 inches) in length, 50.8 mm (2 inches) in width, and 5.16 mm (0.203 inches) in thickness. It features a 15.88 mm (5/8 inch) center hole and is engineered for Grasshopper mowers equipped with 61-inch cutting decks, typically requiring three blades for complete coverage. This blade ensures efficient cutting performance and a clean, even cut across various Grasshopper models.