Heavy Duty All-in-1 Storage - Tank Stack #1The Industrial Athletic Modular Elite Storage rack is the answer to your gear storage prayers. This super heavy duty shelving system gives you the ability to add or remove rows of shelves as needed and to the height you need with various platform options depending on the equipment you have. Tank shelves. Super handy for all the items that never have a home. This package specifically contains Uprights for a low configuration, and 1 x Bar Shelf and 1 x