Threaded Stud connector can be utilized to connect two Quantum Storage wire shelving posts enabling any post height to be achieved, or, mount to wall using brackets PWB. (Catalogue notes WR-WMB, which hold the post to a wall, it is very important to brace a stacked set of shelves if stability is a concern. Most of all on very narrow shelving)
Needs both posts to have W-PLI post leveler Insert (additional units needed to stack, or use wall brackets)
Single stud only