Stalk Roll Knife, made from Boron steel, 6mm thick. Hardened edge with tungsten carbide coating. Fits Case-IH 2606, 2608, 2612, 4206, 4208, 4212, 4406, 4408, 4412 Corn Heads. New Holland 99C, 980CF, 980CR Corn Heads. 4pcs per rolll. Replaces OEM # 84499693