tools box good
Yes, it has a metal bar you attach to either side of the locker and it hangs from the side of your box. It is set up from the factory to have the door hinge on the left side of the box, so you need to remove it and flip it over to install in the other side, which is easy to do.
No, it does not come in red.
No, this can not mount this to a SnapOn KEA2422 box.