They're not special...
Truss rod is 9/64" - Hipshot bridge saddle adjustment inhex screws are 1/16"
I got my set at Lowes for about $10.
Depending on how the trussrod notch is made in your individual body, you may need a shorter 'leg' on the Allen wrench; mine didn't...
Yep. Keith said that over the years different luthiers that worked for Roscoe installed the truss rods slightly different. The result is some are installed deeper than others (at the adjustment route). Just be careful when trying to insert one. If the truss rod fitting is really close to the end of the neck you can easily scratch up the clear coat in the routed area while trying to get it into the rod fitting. If you can't insert it without getting the entire wrench into the route, cut/grind some off of the wrench (and good luck with that! Those bad boys are some kind of hard steel!)
