The #78 BLACK JOBBER DRILL RH HS from Field Tool Supply is a right-hand twist drill made from high-speed steel (HSS), designed for precision drilling in a variety of materials. With a diameter of 0.0160 inches, this drill is perfect for small hole applications. The black oxide finish enhances corrosion resistance and reduces friction, ensuring smooth drilling. This tool is ideal for both professional machinists and hobbyists, providing reliable performance and durability. It meets industry standards for quality, making it a trusted choice for any drilling task.