The COMB DRL&CTSK HS LH # 4 by KEO is a left-hand combination drill and countersink tool made from high-speed steel. This tool is designed for left-handed applications, making it ideal for specialized tasks. The #4 size ensures compatibility with standard fasteners, while the durable construction provides longevity and reliability. The TiN coating enhances performance by reducing friction, making it suitable for drilling and countersinking in various materials. Perfect for professionals and hobbyists, this tool is essential for precision work.