The 1-1/4" Shell Reamer by Field Tool Supply is made from high-speed steel (HSS), ensuring durability and precision in reaming applications. This tool is designed for high-speed operations, making it ideal for professional and DIY use. With a cutting diameter of 1-1/4 inches, it provides accurate hole sizing in various materials. The reamer complies with industry standards, ensuring reliable performance. Its ergonomic design allows for easy handling and compatibility with standard drill systems, making it a versatile addition to your toolkit.