The 0.2590 Check Reamer from Field Tool Supply is crafted from high-speed steel (HSS) for superior strength and longevity. This reamer is designed for precision finishing of holes, ensuring a smooth and accurate fit. With a size of 0.2590 inches, it is perfect for applications requiring tight tolerances. The reamer is suitable for use in stainless steel and other tough materials, making it a versatile tool for machinists and fabricators. It complies with industry standards, ensuring reliability and performance in various machining tasks.