Is there anything special about Klein Tools' 11 Sizes Hex Wrench Key Set? Not really, no. However, that won't stop you from needing a wrench key now and then, and a set like this is the cheapest ...

and Allen wrenches can be easy to misplace. You might have a complete set that's hiding in your garage somewhere, refusing to be found. You can always make a trip to the hardware store and buy ...