Our vertical storage racks provide convenient access to any one Self-Stacking Bulk Storage bins without moving several others. Racks are 48" high and provide 42" of vertical storage. Support rails can be adjusted on 1" centers, allowing you to select bin height (allow 1" minimum between bins). Bins are held securely in place by 1/2" removable solid aluminum bars. Racks are heavy-duty steel with powder coat finish.