LEFT HAND STUB DRILL BIT COBALT STEEL 1/4in. X 3-5/16in. FLUTE LENGTH 1-3/4in. - LEFT HAND STUB DRILLS. INDUSTRIAL POLISHED FINISH 135 DEGREE SPLIT POINT. in.STUBBYin. MECHANICS LENGTH DRILL BIT FOR ADDITIONAL STRENGTH. MADE FROM PREMIUM COBALT STEEL.