The 3/8 COBALT JOBBER DRILL by Field Tool Supply is a high-performance drilling tool designed for tough applications. Constructed from premium cobalt steel, this drill bit offers superior hardness and heat resistance, making it ideal for drilling into hard materials. With a size of 3/8 inches, it is perfect for creating precise holes in metal and other challenging substances. The drill features a standard jobber length for versatility and ease of use. It meets industry standards for quality and performance, ensuring reliability in professional settings.