Pipe and Conduit Thread Tap, Thread Size 1 1/4 In. - 11.5, NPTF, Overall Length 4 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1 3/4 in, 75 Percent Thread Drill Size 1.4844 in, Thread Limit Not Applicable, Class of Fit Not Applicable, Number of Flutes 5