We used 2x6 plank going across in the picture
above. This board is attached to friction blocks installed to each of the two metal posts. Both top and bottom of each
post get this arrangement to assure proper distance between the posts. We attached spreaders cut to length to
the exact distance needed between the posts. Once the "spreaders" where in place, we used a hand winch to draw each
post up tight and into alignment. The posts weighed 150 pounds each and had 1,000 pounds of concrete in each hole.