The 19/64 COBALT PARABOLIC JOBBER from Field Tool Supply is a high-performance drill bit designed for precision drilling in tough materials. Made from cobalt steel, this jobber bit offers superior heat resistance and durability, making it ideal for heavy-duty applications. The parabolic flute design enhances chip removal and reduces friction, allowing for faster drilling speeds. With a 19/64 inch diameter, this bit is perfect for a variety of drilling tasks in metalworking and construction. It is a reliable choice for professionals seeking efficiency and performance.