The basics on a Speed square - YouTube Best explanation of all aspects of the Speed square
No drill press? Saw a notch in a 2-in x4-in with edges 90 degrees to the surface and use that to guide the bit.
How to Use a Speed Square
Speedier Speed Square
I like this ** french cleat device storage for wrenches - Google Search...
Letter out of wrenches. Could also do it in reverse, make the letter of the tools instead of in relief.
metal forming pliers
Picture of Cheap Tool Box Organization