The product is a 3/8" 4 flute extra long cobalt end mill with a single end design and square end mill type. Manufactured by Brubaker in the United States, this end mill has an overall length of 4-1/4" and a length of cut of 2-1/2 inches. Made of cobalt material, it has a mill diameter of 3/8" and a shank diameter of 3/8". This non-center cutting end mill is ideal for precision machining and finishing applications in metalworking. This end mill is non center cutting.