The #11 Cobalt Jobber Drill is a high-speed steel drill bit designed for drilling in tough materials. With a diameter of 0.191 inches, this drill bit is ideal for precision drilling tasks. The cobalt construction enhances durability and heat resistance, making it suitable for high-speed applications. This jobber drill is perfect for use in metalworking, woodworking, and construction projects, providing reliable performance and longevity. Made in the USA, it meets high-quality standards, ensuring excellent results in various drilling applications.