YOU ARE BUYING 1 NEW CGS U.S.A. M240-045 SERIES 4 FLUTE SQUARE END CENTER CUTTING SOLID CARBIDE END MILL IT HAS A 4.5MM ( .1771″ ) CUT DIAMETER X 5MM SHANK DIAMETER X 9.5MM LENGTH OF CUT X 50MM OVER ALL LENGTH . IT COMES IN ITS ORIGINAL FACTORY PACKAGE AND WILL SHIP FOR FREE.