The product is a lot of 9 Sumitomo CNMG 120408N-GU 432EGU AC820P inserts. The product comes with a California Prop 65 Warning, indicating that it produces dust during sharpening or other processes, which can contain cobalt metal powder known to cause cancer in the State of California. It is recommended to read the material safety data sheet before using this product to ensure proper handling and safety precautions. This product is ideal for CNC, metalworking, and manufacturing industries, providing high-quality metalworking supplies for various applications.