Each arch consists of two steel fence posts of a length of approximately half the height of the completed arch. The spacing of the posts depends on the height of the arch and the flexibility of the pipe. The pipe is threaded over the posts to cover at least half of their length and then fixed in place with tie wire. The gap between the post and the pipe is covered with tape. For learn more
https://www.ruralfencingsupplies.com.au/shade-cloth-fruit-tree-netting/fruit-tree-netting 