I have the following on my homemede 48"x 24" tool cart:
Wrench sets, 5/16 to 1" Snap-on and 7mm to 19mm SK on Vim wrench racks
3/8 sockets on rails, metric and standard, ratchet and wobble extensions Snap-on
3/8 impact sockets 3/8 to 3/4 Snap on
Full 1/4 drive set with extensions
various needle...