Spiral Flute Tap, Thread Size #10-32, UNF, Overall Length 2 23/64 in, Cobalt, Black Oxide, Thread Length 31/64 in, 75 Percent Thread Drill Size #21, Thread Limit H5, Class of Fit 2B, Thread Direction Right Hand, Number of Flutes 3. This item has been restricted from sale in the following state (s): []