Spiral Point Tap, Thread Size #10-32, UNF, Overall Length 2 3/8 in, Vanadium High Speed Steel, Black Oxide, Right Hand, Thread Length 31/64 in, 75 Percent Thread Drill Size #21, Thread Limit H11, Class of Fit Not Applicable, Number of Flutes 3. This item has been restricted from sale in the following state (s): []