Engineered for precision and durability, this 11-piece set of left-hand cobalt screw machine length drills from Drillco Cutting Tools is an essential addition to any toolbox. Crafted in the USA, these drills feature a robust bronze construction and a unique 135° point design, allowing for efficient chip removal and reduced friction during use. The series 300LH includes fractional sizes and is equipped with a 3-flats shank for secure gripping in drill chucks, making it ideal for a variety of drilling applications, especially in metalworking environments. Whether you're a professional tradesperson or a DIY enthusiast, this comprehensive set is designed to enhance your drilling capabilities and ensure optimal performance.