The Irwin 9427 Hanson Machine Screw High Carbon Steel SAE Hexagon Die 5/16 in.-18NC is a high-quality hand tool designed for machining tasks. Made of durable high carbon steel, this hexagon die is durable and reliable for precise cutting and threading. With a specific item length of 5.75000 inches and a weight of 0.02000 pounds, this die is lightweight and easy to handle. The product includes a warning regarding potential cancer and reproductive harm, making it important for users to take precautions when working with it. Overall, this product is a valuable addition to any workshop or tool collection.