The COMB DRL&CTSK HS 4-1/2X5OAL from Field Tool Supply is a high-speed steel combination drill and countersink tool. Measuring 4-1/2" in length with a 5" overall length, this tool is designed for precision drilling and countersinking in one operation. The high-speed steel construction ensures durability and sharpness, making it ideal for metalworking and woodworking applications. This tool is perfect for creating clean, accurate holes and countersinks, reducing the need for multiple tools. It meets industry standards for performance and reliability, making it a valuable addition to any toolkit.