| Buy a set that has 1/4", 3/8", and 1/2" drive sockets.  The 1/4" sockets are very handy. If you check bensbargains.net you can find deals like this: http://www.sears.com/shc/s/p_10153_12605_00933260000P?pid=00933260000&sid=IAx20050830x000233&aff=Y If you are rich, buy a set of these too:Snap-On flex-head combo wrench.  They're 100x better than the flex-head ratcheting combo wrenches.
 When I did my TT rebuild + swap way back in '03, my uncle had a set of those.  They're freaking amazing!  EGR bolts on the bottom of the plenum?  No problem!  I've wanted to steal his 10mm and 12mm wrenches for so long. 
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