Measurement Type Metric Cleveland List 2133 Cobalt Heavy-Duty Screw Machine Drills Coating Straw-Gold Oxide 3.70mm RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point Cobalt Heavy Duty Screw Machine Drill - Straw / Gold Oxide Tool Diameter 3.7 mm O.A.Length 52 mm Decimal Equivalent 0.1457 inch Cutting Edge Material HSSCoPM Shank Type Round Cleveland Screw Machine