The Greenworks 42" (2-in-1) Side Discharge & Mulching Blades Set is the perfect solution for lawn care enthusiasts who want versatility and durability. Made from high-quality steel, these blades are designed to withstand the rigors of lawn mowing, delivering a clean and precise cut every time. With the 2-in-1 design, the blades can be used for both side discharge and mulching, allowing you to choose the best option for your lawn. Installing the blades is a breeze, and they are specifically designed to fit your Greenworks 42" Crossover Riding Mower. By mulching your grass clippings instead of bagging them, you can promote a more sustainable approach to lawn care while improving the health of your lawn.