And you're going to need sockets...and something to drive them with...
I prefer reasonably priced GearWrench----
www.tooldiscounter.com
80314D...47 pc/1/4" drive---5/32"---9/16" and 4mm---15mm......$ 37.47
80718.....63 pc/3/8" drive---1/4"---1" and 6mm---24mm...............72.60
80729.....27 pc/1/2" drive---7/16"---1 1/2"..................................87.93
80730.....37 pc/1/2" drive---9mm---36mm..................................85.95
Total......174 pcs...all in trays, so your storage problem is solved...
That should cover just about everything, but huge stuff...
I bought the Harbor Freight 3/4" drive set to cover that eventuality...($ 50.00)