Wall Shelves for restaurants and food service operations are made of stainless steel and in some cases are made of aluminum. The most popular Wall Shelves are the heavy duty all welded type. This series of Wall Shelves are stainless steel with a reinforce u channel under the shelf and are shipped with the wall brackets shipped loose. Another series of heavy duty all welded Wall Shelves have a pot and utensil bar for hanging those items. It makes a work area very functional. Zesco also has the economy series that are (kd) knocked down with assembly required. It is imperative that when mounting the Wall Shelves, one should have some type of wall blocking or at least hit a wall stud for anchoring the shelving. The Wall Shelves are manufactured by Advance Tabco.