Portable Tool Kit - what works best?

i have a 3 drawer craftsman tool box
the top opens up had has the socket sets in it (and is deep enough to toss a few hammers in, or a pistol)
one drawer of real wrenches
one drawer of metric wrenches
and one drawer of miscellaneous, screw drivers, pliers and the likes

this tool box acts as the "top chest" for my rolling cabinet around the house and holds those tools you need 90% of the time

it is light enough i can carry it into the car and where ever i need to go from there





i dont consider it a "dedicated portable toolbox"
but it is my go to on the go toolbox

like i said, it has the basic 90% tools in there and enough room up top for the other 10% which i switch out depending on the job