The 3-3/4" Shell Reamer from Field Tool Supply is designed for precision machining and drilling applications. This high-speed steel (HSS) tool features a robust construction that ensures durability and longevity. With a cutting diameter of 3-3/4 inches, it is ideal for reaming holes in various materials, including metals and plastics. The reamer is engineered to provide a smooth finish and accurate sizing, making it suitable for both professional and DIY projects. Its SPI (Swiss Precision Instruments) certification guarantees adherence to high manufacturing standards, ensuring reliability in performance.