Drill N Tap Set #4-40 - 1/4" 13-Piece

13-piece set includes 6 chromed taps and 6 high-speed bits Plus T-handle wrench. Machine drill sizes 43, 36, 29, 25, 21 and 7. Tap sizes 4-40NC, 6-32NC, 8-32NC, 10-24NC, 10-32NF and 1/2-20NC. Packed in molded plastic case.