Length Group Regular Cutting Edge Material HSS Coolant No Measurement Type Fractional Coating Black|Gold Shank Type 3-Flats Straight 21/64 High Speed Steel Ambore Mechanic Length Drill #1383 HSS-GP Reduced Shank Tool Diameter 21/64 inch O.A.Length 4-1/16 inch Cutting Depth 2-9/16 inch Decimal Equivalent 0.3281 inch Reduced Shank HSS-GP Morse Cutting Tools