GrooveTech Tools JPT1 Jack/Pot Tool

Great product, professional quality. The quality is almost too good, as it makes it pretty heavy to keep in your gigbag. You don't really need much force to tighten your jacks and pots, so a somewhat thinner material would probably be enough. But I'm sure this will last a lifetime, so I'm not complaining.

It covers 99% of the jacks and pots on my instruments and amps, but one thing I really miss is the wrench for tightening the round footswitches found on effect pedals. Of course, a fourth wrench would make it bigger, heavier and more cumbersome to use, so I don't know if it would be a practical improvement.