• Kit contains 12 popular & useful sizes.

5/32”-32 X 3/16”
1/8”-40 X 3/16”
3/16”-24 X 1/4”
1/4”-28 X 1/4” (Fine Thread)
1/4”-20 X 1/4”
1/4”-20 X 3/8”
5/16”-24 x 3/8” (Fine Thread)
3/8”-16 x 1/2” 
3/8”-16 x 3/8”
3/8”-24 x 3/8” (Fine Thread)
5/16”-18 x 1/2”
5/16”-18 x 3/8”