The 0.3800 Check Reamer from Field Tool Supply is a high-speed steel (HSS) tool designed for precision reaming. This straight flute reamer is ideal for creating accurate holes in stainless steel and other materials. With a diameter of 0.3800 inches, it ensures a smooth finish and tight tolerances, making it suitable for critical applications. The HSS construction provides excellent wear resistance and durability, while the straight flute design enhances chip removal during operation. This reamer is perfect for both professional and DIY projects.