Agroshield
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I modify a half inch drive socket in the lathe by trimming the internal chamfer off so you get full engagement on the locknut.
I think the limit on that in a shallow depth box could be the size of the ratchet head turning it.
Ideally you need a turning device no larger in diameter than the socket itself.
I did not go looking for this, only for 3/8" drive 24mm sockets but this (called an oil filter socket) looks promising:






