This countersink is a must-have for any industrial and scientific drilling project.Its superior quality of construction with high-speed steel ensures long-lasting durability and outstanding performance. It is ideal for woodworking metalworking, and other industrial applications. Its precision DESIGN ensures that the hole is smooth and accurate. However, the only issue is that the price is relatively high compared to other countersinks in the market. Overall, the Irwin Tools Countersink is a valuable addition to any cutting tools collection..