IRWIN 63907 Jobber Drill Bit, Spiral Flute, 1-1/2 in L Flute, Straight Shank, 7/64 in Dia x 1-1/8 in L Shank                         Titanium nitride coating reduces friction and last longer, cutting edge stays sharper longer. Used in repetitive metal drilling with portable drills or stationary drill press. Jobber length.