DescriptionSpecificationsDescription3/16" Radius, 1-3/8" Cut Diam, 3/8" Circle Diam, 3/4" Cut Width, 3/4" Shank, Concave Radius Cutter High Speed Steel, TiN Finish, 3-1/2" OAL, 8 Teeth, Profile Ground, Weldon FlatSpecificationsManufacturer NameWhitney Tool Co.