The 3-5/16" 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 3-5/16 inches, it is ideal for creating smooth, accurate holes in various materials. The reamer is engineered to meet industry standards, providing reliable performance in both professional and DIY settings. Its design allows for efficient chip removal, enhancing productivity. Compatible with standard drilling equipment, this tool is a must-have for any workshop.