The 0.3420 CHK Reamer by Field Tool Supply is crafted for high-performance reaming in stainless steel. This high-speed steel (HSS) tool features a straight flute design, promoting effective chip clearance and a superior finish. With a diameter of 0.3420 inches, it is perfect for precision hole enlargement in various applications. Made in the USA, this reamer meets rigorous quality standards, ensuring durability and reliability for professional use. Its robust construction allows for extended tool life, making it an essential addition to any toolkit.