Field Tool Supply's 3-1/4" Shell Reamer is crafted from high-speed steel (HSS) for superior cutting performance. This tool is perfect for precision drilling and reaming tasks, ensuring clean and accurate holes. With a diameter of 3-1/4 inches, it is suitable for a variety of materials, making it versatile for different applications. The reamer's design promotes efficient chip removal, which enhances the overall machining process. Built to comply with industry standards, this tool is an essential addition to any professional or home workshop.