THIS SET INCLUDES THREE ISCAR INDEXABLE DRILLS, EACH FEATURING TWO FLUTES. THE FIRST DRILL HAS AN OVERALL LENGTH (OAL) OF 4.37 INCHES, A SHANK LENGTH OF 2 INCHES, A SHANK DIAMETER OF 0.62 INCHES, A CUTTER END DIAMETER OF 0.5 INCHES, AND A FLUTE LENGTH OF 2.37 INCHES. THE SECOND DRILL HAS AN OAL OF 5 INCHES, A SHANK LENGTH OF 2.25 INCHES, A SHANK DIAMETER OF 1 INCH, A CUTTER END DIAMETER OF 0.69 INCHES, AND A FLUTE LENGTH OF 2.75 INCHES. THE THIRD DRILL HAS AN OAL OF 5.75 INCHES, A SHANK LENGTH OF 2.25 INCHES, A SHANK DIAMETER OF 1 INCH, A CUTTER END DIAMETER OF 0.75 INCHES, AND A FLUTE LENGTH OF 3.5 INCHES.