Field Tool Supply's 3-3/8 Shell Reamer STR FL HS is engineered for precision reaming tasks. Made from high-speed steel (HSS), this tool offers exceptional durability and cutting performance. With a diameter of 3-3/8 inches, it is ideal for enlarging holes in various materials, providing a smooth finish. The straight flute design enhances chip clearance, making it suitable for high-speed applications. This reamer meets industry standards, ensuring compatibility with standard drilling equipment and making it a reliable choice for both professional and hobbyist use.