Jobber Cutting Edge Material HSSCoPM Measurement Type Metric Coating Gold Oxide Cleveland List 2213 NAS907 Type J Cobalt Heavy-Duty Jobber Drills 4.10mm RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point NAS907 Type J Cobalt Heavy Duty Jobber Drill - Straw / Gold Oxide Tool Diameter 4.1 mm Shank Diameter 4.1 mm Flute Length 43 mm O.A.Length 75 mm Cleveland