Brand New, 3/4” shank, 1-1/2" Long length of cut, 4" overall length, 40 degree helix, micrograin carbide end mill. Uncoated, but HIGHLY polished flutes, and center cutting. Tool has a cylindrical land to improve surface finish of your part, which is held to twice as close a tolerance as our competitors. Tightly controlled Radial Rake improves end tooth strength.