Jobber Measurement Type Metric 4.90mm RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point Cobalt Heavy Duty Jobber Length Drill - Straw / Gold Oxide Cle-Line List 1891 Cobalt Heavy Duty Jobber Length Drills Tool Diameter 4.9 mm Shank Diameter 4.9 mm Flute Length 52 mm O.A.Length 86 mm Cutting Edge Material HSSCoPM Coating Gold Oxide Cle-Line