I also watched the whole LTT screwdriver design video and the only choice I disagreed with was using the shorter bits that meant that there's not much length of

I also watched the whole LTT screwdriver design video and the only choice I disagreed with was using the shorter bits that meant that there's not much length of the narrower bit part exposed to reach those smaller places before the socket part gets in the way. The MegaPro that it was based on has at least moderate bit length.