The Case IH 87442982 is a genuine Earth Metal® disk blade, designed for superior durability and performance in agricultural tillage applications. This 20-inch (508 mm) diameter disk features a notched edge for aggressive soil penetration and residue cutting, along with a crimp center for secure mounting. Manufactured from high-quality Earth Metal®, it ensures extended wear life and consistent field performance, making it a reliable component for maintaining optimal soil conditions.