The spacer pieces are easily cut using a hacksaw. If your ground is
sloping down from your post, then your horizontal rail will be
above the top of the spacer of the second post. Cut a piece of
spacer form the short spacer in your kit to make up the difference
and slide it into the second post on top of the bottom long spacer
and underneath the end stop of your horizontal rail.
The piece you have as an offcut from your small spacer will fit
exactly at the top of the second post.
Put the bottom rail into position, put one piece of long spacer into
position on your second post as before, place your second rail into
position.
The remaining offcut piece from the small spacer will now fit
exactly on top of the second rail in the second post before the
fitting of the post cap.
If the ground rises from your first post, you need to cut a piece off
the bottom long spacer on your second post. This offcut will make
up the difference with the short spacer at the top of the second
post. Again, repeat the process as previously described.
