Keep your lawn looking pristine with this set of two replacement blades designed for 38-inch mower decks. Compatible with M112991 models, these heavy-duty mower blades deliver clean, consistent cuts across your yard. The precision-engineered blades are manufactured to meet original equipment specifications, ensuring they fit and perform exactly as intended. Each blade in this 2-piece set is built from durable steel to withstand regular mowing conditions while maintaining a sharp cutting edge. Perfect for seasonal blade replacement or having spares on hand, these replacement blades help maintain optimal cutting performance of your mower. Regular blade replacement is essential for achieving that professional-looking lawn and protecting your mower's engine from unnecessary strain. Installing fresh blades helps ensure even grass cutting and proper mulching capability throughout the mowing season.