Cheap kit, may be factory seconds as one of the studs hadn't been threaded on one end.
The index/holder is plastic and a pretty bad fit for the nuts on the front, they fall out very easily.
to get the bolts/studs to stand up i had to fit a small block of wood with hols drilled in it as the holder only supports them at one point and they can fall out the back
Other than that its just a collection of steel blocks so there isn't much to go wrong