Need a greater range of storage, but don't want to renovate your entire office or warehouse? These add-on shelves allow you to extend the length of a freestanding wire shelving unit without having to completely replace your previously installed storage. Using the included S-Hooks, connect your shelves end-to-end or at a right angle to make use of all the available space that you have. Need a greater capacity than these units can offer? Browse our other wire shelving options or industrial storage for more solutions!