The 3-3/16" Shell Reamer by Field Tool Supply is an essential tool for precision machining. Made from high-speed steel (HSS), it offers exceptional durability and cutting efficiency. This reamer is designed to create smooth, accurate holes with a diameter of 3-3/16 inches, making it suitable for various materials. Its design facilitates effective chip removal, ensuring a clean working environment. Compliant with industry standards, this tool is ideal for both professional machinists and DIY enthusiasts looking for reliable performance.