That there is my personal drivers-and-bits kit for repairing vintage sewing machines, which require very specific bits and handles. Because no one offers all of the things I needed for it, I had to buy components piecemeal from three different gunsmithing manufacturers and assemble the kit as seen.
I hate the design of the case, which was the only one I could find that even came close to what I needed. The bits are only held in place by gravity and, when the case is closed, the top of each bit being wedged in place by the underside of the case lid. But as you can see, the holes are of different depths:
That means the shorter bits migrate when the case is bouncing around in your bag and wind up all over the place. To compensate, I used adhesive file labels to cover the holes for the shorter bits, then poked the bits through the labels. The extra material shoved into the hole provides enough friction to keep the bits in place in transit.
I had to sacrifice bit storage space to fit the extra handles, a ratchet and a stubby driver, I needed in there.
