Winco ALRK-30BK Sheet Pan Rack is made for the most demanding kitchens. Save space by storing multiple sheet pans in one location with 30 tiers and 2" spacing in between. Fits up to thirty full size 18 by 26 inch or sixty half size 18 by 13 inch sheet pans and a 700 lb capacity. Constructed of 1 inch extruded aluminum with four 5 inch heavy weight swivel rubber casters (2 with brakes). Measures 21 inches long by 26-1/2 inches wide and 70 inches tall when fully assembled. Ships knocked down. NSF