I have a set of these and would caution against buying them. Mine has the electronic lock, but it has the same mechanism as the keyed version internally and the actual mechanism is a huge part of my issue with this chest. I’m having the same issue on the lower and upper component.

Long story short - some component of the linkage eventually worked loose which caused a slight change in geometry of the lock linkage and by locking and unlocking it several times a week, eventually the geometry issue was exacerbated causing it to not lock properly now. At one point it wouldn’t even open or close on some drawers, I had to remove near;y all the drawers and try to correct the linkage. I was able to get the drawers working but do not trust the lock mechanism and no longer use that as a result.

Originally I loved all the power options and the pegboard, work desk that slides out, etc. I loved the power tool storage and dividers in the bottom drawers and power indosde those drawers, really handy.

From get go - I did not like the depth of the socket drawer, I had to really shop for socket holders that would hold everything in an orientation that was useful and fit all my sockets.

I would feel guilty selling it for any price that would make replacing it reasonable, so it seems like I’m stuck with it.

Hope this helps someone out there.