Winco ALRK-20BK End Loading Sheet Pan Rack is made for the most demanding restaurant kitchens. Save space by storing multiple sheet pans in one convenient location. Accommodates 20 size 18 by 26 inch or 40 size 18 by 13 inch sheet pans with a 700 lb capacity. Constructed of sturdy aluminum with 3 inch runner spacing and a set of 5 inch rubber, swivel casters (2 with brakes). Ships knocked down. NSF