The product is a SE 4 Flute .030 Radius Carbide End Mill with a cutting diameter of 5/8 inches. It has a length of cut of 1-1/2 inches and a radius of .030 inches. Made of solid carbide, this end mill is designed for precision cutting and has a shank diameter of 5/8 inches, making it suitable for various CNC machining applications. The overall length of the tool is 3-1/2 inches, providing ample reach for deep cutting and excellent performance for metalworking tasks.