Keep your lawn mower performing at its peak with this convenient 3-pack of replacement mulching blades. These heavy-duty blades are specifically designed for models 1-633484 and 1-633485, ensuring a precise fit and optimal cutting performance. Mulching blades are engineered to create finely chopped clippings that decompose quickly and return nutrients to your lawn. The multi-edge design delivers consistent, clean cuts while handling tough grass and leaves with ease. This set of three blades lets you have spares on hand for quick replacement when needed, minimizing downtime during the mowing season. Regular blade replacement helps maintain cutting efficiency and promotes healthier grass growth. Compatible with specified model numbers only - please verify your mower model before purchasing.