The product is a Tap Endmill with a 13/16 - 20H3 6FL 4-5P close tolerance pilot design. This endmill is specifically designed for metalworking and CNC manufacturing applications. It is a high-quality and precision tool that is perfect for creating precise and accurate tapped holes in various materials. The 4-5P close tolerance pilot design ensures a consistent and reliable performance, making it a valuable addition to any industrial or manufacturing workspace.