Note that you made them parallel to the floor that way, so they're only as level as your floor is. I trust nothing in an existing structure, like I mentioned in my first post. That's why I set my own levels using the method described. But I freely admit to being pretty anal about these things.shadowofshoe said:The milk crates actually worked great (1st Time back) I put a 1/2 in. shelf on top of them and it made 54" exactly!! Just set them on top and drilled.