THE HERTEL INDEXABLE FACE MILL IS DESIGNED WITH 3 FLUTES/INSERTS AND FEATURES AN OVERALL LENGTH (OAL) OF 3.50IN. IT UTILIZES A STRAIGHT SHANK THAT IS 2.18IN LONG WITH A SHANK DIAMETER OF .75IN. THE TOOL HAS A PROJECTION OF 1.32IN AND A HEAD DIAMETER OF 1.45IN.