The 21/64 Cobalt Jobber Drill by Field Tool Supply is engineered for high-performance drilling in tough materials. With a diameter of 21/64 inches, this drill is made from cobalt steel, providing superior heat resistance and durability. Its jobber length allows for versatility in various applications, making it ideal for both professional and DIY projects. The drill's design ensures efficient cutting and chip removal, while its precision-ground tip enhances accuracy. This tool meets industry standards, ensuring reliability and performance.