The #49 Cobalt Jobber Drill is engineered for precision drilling in tough materials. Made from high-speed cobalt steel, this drill bit offers superior hardness and heat resistance, making it ideal for drilling into stainless steel and other hard metals. With a 135-degree split point design, it ensures quick penetration and reduces walking during use. The drill measures 0.1730 inches in diameter, providing versatility for various applications. This cobalt drill is a must-have for professionals seeking durability and performance in their drilling tasks.