Jobber Cutting Edge Material HSSCoPM 31/64 RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point NAS907 Type J Cobalt Heavy Duty Jobber Drill - Straw / Gold Oxide Tool Diameter 31/64 inch Shank Diameter 0.484 inch Flute Length 4-3/8 inch O.A.Length 5-7/8 inch Cleveland List 2213 NAS907 Type J Cobalt Heavy-Duty Jobber Drills Coating Gold Oxide Measurement Type Inch Cleveland