Straight Flute Tap, Thread Size 3/8 In. -16, UNC, Semi-Bottoming, Overall Length 2.94 in, Cobalt, Black Oxide/Nitride, Right Hand, Thread Length 0.75 in, 75 Percent Thread Drill Size 5/16 in, Thread Limit H3, Class of Fit 2B. This item has been restricted from sale in the following state (s): []