2
1.
Begin with the larger base plate. Insert two
(2) black screws through the underside of the
plate.
2.
Prepare the plastic stoppers. For each screw,
you’ll need one of each kind. They look like
this:
Notice one has a round hole and the other has a
hex hole. You can put them together like this:
3.
Place a nut in the hex-holed plastic stopper
and screw this whole structure each black
screw with the nut facing up, or away from the
plate. For now, keep the nuts loose -- the two
plastic stoppers should not be tight yet. You
should be able to line them up as in
step 2.