The OSCARBIDE carbide indexable APKT160408 inserts are impressive. Based on my observations, these inserts offer exceptional performance and durability. They are easy to install, and the carbide material ensures overall longevity. The inserts are very sharp and can handle heavy milling work without any wear and tear. One minor drawback is that the price is a bit high compared to other similar products. Overall, I am completely satisfied with these milling inserts and would recommend them to anyone in need of quality carbide indexes.