Tap Set, Tap Thread Size M20- 2.50, High Speed Steel, Bright (Uncoated), Thread Standard Metric Coarse, Thread Length 1 1/4 in, Overall Length 4 15/32 in, Thread Limit 2B, Class of Fit 6H, Thread Direction Right Hand, Number of Flutes 4. This item has been restricted from sale in the following state (s): []