Straight Flute Tap, Thread Size 1/2 In. -13, UNC, Plug, Overall Length 3 3/8 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 15/16 in, 75 Percent Thread Drill Size 27/64 in, Thread Limit H3, Class of Fit 2B. This item has been restricted from sale in the following state (s): []