ECO 12H 4F3R 110L , This hi performance cutting tool designed to handle a wide range of materials, both hard and soft. It is a 4 flute bull with 3mm rads and has a length of 110mm overall. It is an excellent choice for tool steel machining and offers superior cut quality. Its superior strength and durability make it ideal for high speed machining and high accuracy applications. This cutting tool is the perfect choice for achieving precise and efficient cuts.