Spiral Point Tap, Thread Size #2-56, UNC, Overall Length 1 3/4 in, HSS-E, Hard Lube, Right Hand, Thread Length 1/2 in, 75 Percent Thread Drill Size 1.73 mm, Thread Limit 2B, Class of Fit 2B, Number of Flutes 3. This item has been restricted from sale in the following state (s): []