*An ideal set for the automotive or industrial mechanic.  
*Packed in a hinged plastic case with removable tray. 
*Included are the following sizes of Plug Taps and Hex Dies:

5/8" Dies & Plug Taps

4-40
6-32
8-32
10-24
10-32
12-24

1"   Dies & Plug Taps 

1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
1/8-27 npt