Maker Select v2 Thumb Screw lock / stopper

After I added a glass bed and the thicker aluminum y carriage to my Monoprice Maker Select v2 the thumb screws were loose after adjusting the z end-stop. I upgraded the springs to put some more tension on the nut but 1 corner would still shake loose occasionally.

So I made these stoppers. They fit snugly on the thumb wheels that came with my maker select and lock to the aluminum Y Carriage.

I used this carriage model to fit it:
https://www.thingiverse.com/thing:2137047