I bought a set of these to augment our&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/ZipWall-SLP-s/dp/B0022NHLEG/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">ZipWall SLP's</a>&nbsp;in an area with high winds. While ZipWall makes a fine tension pole for the erection of barriers, they can't hold much weight and tend to break easily. By sharp contrast, these poles feel heavy in a positive way. A way that conveys confidence in its reliability. The contact points are great, and the ball/socket system is compatible with&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/ZipWall-Foam-Rails/dp/B0006N2OI2/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">ZipWall Foam Rails</a>. I was very impressed with this product, save for one element.