Sizes 6Mm - 24Mm Carbon Steel Taps And Dies Sizes: M6 X 1, M6 X 0.75, M8 X 1, M8 X 1.25, M10 X 1.25, M10 X 1.5, M12 X 1.5, M12 X 1.75, M14 X 1.5, M14 X 2, M16 X 1.5, M16 X 2, M18 X 1.5, M18 X 2.5, M20 X 1.5, M20 X 2.5, M22 X 1.5, M22 X 2.5, M24 X 1.5, M24 X 3 Carbon Steel Taps And Dies For Re-Threading/Cleaning Up Threads.. Plug Taps Are Used For Thru Holes