THIS IS AN ISCAR D1.25-2.5-CF 4-06C FEEDMILL FF EW TOOLING UNIT. IT FEATURES AN OVERALL LENGTH (OAL) OF 4.5 INCHES, A SHANK LENGTH OF 1.5 INCHES, AND A SHANK DIAMETER OF 1 INCH. THE UNIT IS EQUIPPED WITH 3 FLUTES AND INCLUDES A T9/51 SCREWDRIVER BIT SIZE.