Standard Pack = 1 piece(s). Class of Fit=H3; Coating=Bright; Material=High Speed Steel; Number of Flutes=4; Overall Length=4 IN; Type=Hand Taps; Size=3/8 IN-16 IN; Style=Plug; Thread Type=NC; Size Type=Inch; Shank Diameter=0.275 IN; Special Feature=Small Shank;