Jobber 31/64 RHS / RHC HSS 135 Degree Split Point Heavy Duty Parabolic Jobber Length Drill - Black & Gold Cle-Line List 1873 Heavy Duty Parabolic Jobber Length Drills Tool Diameter 31/64 inch Shank Diameter 3/8 inch Flute Length 4-3/8 inch O.A.Length 5-7/8 inch Coating Gold-Black Oxide Measurement Type Inch Cutting Edge Material HSS Cle-Line