THIS IS AN ALLIED MACHINE & ENGINEERING 110927-562 INDEXABLE INSERT DRILL. THE UNIT HAS AN OVERALL LENGTH OF 4.67 INCHES AND A SHANK DIAMETER OF 0.75 INCHES. THE SHANK LENGTH IS 2 INCHES. IT FEATURES TWO FLUTES WITH A FLUTE LENGTH OF 2.67 INCHES AND A FLUTE DIAMETER END OF 20MM.