This imperial tap and die set has been designed in Australia to include all the common thread sizes we use here in Australia. Complete kit with 12 taps, 12 dies, a tap wrench and a guided die stock all inclosed in a strong metal case! It includes the most common imperial course and fine sizes from 3/16" to 1/2". The intermediate taps and die nuts have been titanium coated to increase both tool life as well as cutting performance.