Harvey Tool Miniature High Performance Drill, Metric Drill Diameter, 9/64 in Drill, 3.571 mm Drill Metric, 0.1406 in Drill Imperial, 75 mm Overall Length, 3 Flutes, 24 mm Flute Length, 6 mm Shank, 130 deg Point Angle, Solid Carbide, TiB2 Finish, Applicable Materials Aluminum Alloys