That the kit you need, I have use the hell out my 18'' and 8''.
Telling on what it was use was like asking on what job you use 10 mm wrench.
If you don't understand that, then you don't work on car enough. It get use as much as, 1/2 impact, 3/8 ratchet, BFH, #2 phillip screwdrive,
Stop...