Standard Pack = 1 piece(s). Number of Flutes=2; Material=HSS; End Type=Ball; Flute Type=Standard; Diameter=.005"; Shank Diameter=.125"; OAL=1.5"; Coating=TICN; Flute Length (FL)=.015"; Helix Angle=40degree ; Single End/ Double End =Single; Tolerance=+ 0 / - .001;