21/64 RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point Q-Cobalt Wide Land Parabolic Drill - TiN Tool Diameter 21/64 inch O.A.Length 2-15/16 inch Decimal Equivalent 0.3281 inch Coating TiN Cleveland List 2175-TN Q-Cobalt Wide Land Parabolic Drills Measurement Type Inch Cutting Edge Material HSSCoPM Shank Type Round Cleveland Screw Machine