Tap and Die Set, Machine ScrewithSae/Metric, 76-Piece (26376)

This tap and die set is great for auto repair and machinery. Machine screws: 4 - 40 NC, 6 - 32 NC, 8 - 32 NC, 10 - 24 NC, 10 - 32 NF and 12 - 24 NC.