The 0.5570 Check Reamer from Field Tool Supply is a high-speed steel (HSS) tool designed for precision reaming in stainless steel applications. This straight flute reamer features a diameter of 0.5570 inches, making it perfect for achieving smooth, accurate holes. Its durable construction ensures longevity and consistent performance, while the stainless steel compatibility allows for use in various industrial settings. Ideal for machinists and fabricators, this reamer is essential for enhancing hole quality and achieving tight tolerances.