THIS IS A DRILL AMERICA TAPER SHANK DRILL BIT, 1" HIGH-SPEED STEEL (HSS) WITH A 3MT SHANK AND AN ACCOMPANYING MT4 SLEEVE. THE TOOL FEATURES TWO FLUTES AND IS ENGINEERED FOR RIGHT-HAND CUTTING DIRECTION. THE OVERALL LENGTH MEASURES 11 INCHES, EXTENDING TO 13 INCHES WHEN THE MT4 SLEEVE IS ATTACHED. THE FLUTE LENGTH IS 6-3/8 INCHES. THIS DRILL BIT IS DESIGNED WITH A 118-DEGREE POINT ANGLE.