The Kyocera 170GZ4 is a 4 flute, uncoated carbide end mill with a 1/2" shank diameter. It has a 1" cutting diameter and can be run at speeds up to 6,000 RPM. The overall length is 3" and it has a TiAIN coating for wear resistance when machining steel, cast iron, hardened steel, titanium and nickel alloys. It's made in Japan and well-suited for slotting, profiling, contouring, shoulder milling and face milling applications. This is a high quality end mill for demanding metal removal in industrial environments.