Pallet Shelves: Shelf systems in which heavy loads and palletized materials are stacked. In short, it is called RACK SYSTEM. Pallet Shelves consist of feet and sleeper. The feet are determined according to the height of the tank and consist of connecting the selected sleeper according to the weight of the pallets to be put on, via hooked or bolted connectors. Such pallet and heavy duty warehouse rack systems have full mounting and de-mounting capabilities.