This set includes two high-quality replacement blades for Dewalt lawn mowers, designed to restore your mower's cutting efficiency. The blades appear to have a robust construction, evident from the strong material visible in the image, which is likely to provide durability and long-lasting performance. The precisely shaped cutting edges are engineered to deliver clean and even cuts, promoting a healthier lawn. The central mounting hole and elongated side holes suggest compatibility with various Dewalt mower models, facilitating easy installation. Overall, these blades are an essential maintenance component for keeping your mower at peak performance.