I use the sheet metal front panel of a top-load clothes washing machine. The enamel paint lets me use dry erase or liquid chalk markers as well as magnets for posting notes and such. Lightweight, too. I have made some boards from 1/4 masonite covered in steel flashing, complete with wrapped corners.
I put a handle on the front face of the lid on mine, and I disengaged the drawer locking mechanism. It sits on a workbench, and is no longer a "mobile" box. It is strictly used for small layout tools, etc.
Lately, I have been having to cut a final bore with indexed twist drills after using HF step bits...the steps are all slightly smaller than marked. But step bit length, depth of cut for each step all make a big difference.
I covered some MDF in thin, steel flashing to create a combo dry erase and magnetic board. It reflected the light from the bottom of the upper cabinets as well.
On the bright side ...Since the scooter is more than 10 yrs. old, you can spend mostly on SAE tools. Simply not the case for more current HDs. Metric adjustable wrenches are hard to find anyway.:sneaky:
When inserting in a new hole or old... check the head of the lag periodically while installing. If it gets fairly warm, let it cool before continuing to twist. You can break heads off pretty easily. Lags, even with pilot holes can encounter quite a bit of friction.
Regarding re-using the...
I have the Engineer and Fastener editions. I find that I reference the former book more often. Some overlap regarding more general fastener info. I use them both quite a bit.