Hello,
I am thinking of putting up fences (6x4ft) on top of my low wall (about two bricks high from the ground).
I was going to use these (https://www.in-excess.com/products/perimeter-duobolt-galvanised-bolt-down-fence-support-75mm-x-75mm?_pos=7&_sid=fab7a6857&_ss=r) post supports to bolt...