The #4 Cobalt Jobber Drill from Field Tool Supply is designed for precision drilling in tough materials. This drill bit features a cobalt steel construction, enhancing durability and heat resistance, making it ideal for high-speed applications. With a 1/4" diameter and a length of 3 inches, it is perfect for drilling into stainless steel and other hard metals. The jobber drill is engineered to provide superior performance and longevity, ensuring clean and accurate holes. It meets industry standards for quality and reliability, making it a must-have for professionals and DIY enthusiasts alike.