Standard Pack = 1 piece(s). Class of Fit=H3; Coating=Bright; Material=High Speed Steel; Number of Flutes=3; Overall Length=8 IN ; Type=Spiral Point Taps; Size=1/2 IN -13 IN ; Style=Plug; Thread Type=NC; Size Type=Inch; Shank Diameter=0.367 IN ; Special Feature=Small Shank;