The #12 Check Reamer is crafted from high-speed steel (HSS) for superior durability and performance. This straight flute reamer is designed for precision reaming in stainless steel, featuring a diameter of 0.216 inches. Its design allows for efficient chip removal and smooth cutting, making it suitable for various applications in manufacturing and metalworking. The stainless steel construction ensures longevity and resistance to corrosion, meeting industry standards for quality. Ideal for professionals seeking reliable tools for creating accurate holes in tough materials.