This is a socket wrench for https://www.thingiverse.com/thing:2064269
Just in case you could not get enough torque on the knob of the original vise to break the gears you now have the means. This also works for those who like to get the vise tight and loosen it without wearing out their fingers or breaking the screws with your fingers.
Make what you will of it, the tolerances are a little tight so make sure your printer is printing accurately if you want this to fit.