THIS KENNAMETAL INDEXABLE INSERT DRILL HAS A DIAMETER OF 0.82" AND AN OVERALL LENGTH (OAL) OF 7-1/2". THE DRILL FEATURES TWO FLUTES AND A STRAIGHT SHANK WITH A LENGTH OF 2.25” AND A DIAMETER OF 1”. THE FLUTE LENGTH MEASURES 4.75". WITH THE INSERT, THE OVERALL LENGTH IS 7-3/4".