The Niagara Cutter HSS ENDMILL D201 is a high-quality end mill designed for precision cutting in metalworking applications. Made in the United States by the trusted brand Niagara Cutter, this end mill has dimensions of 9/32x3/8x9/16x3-1/8 inches. It is a single unit and not a custom bundle, making it a reliable and consistent tool for your CNC, metalworking, or manufacturing needs. Trust in the durability and performance of this end mill to ensure accurate and efficient cutting results.