Freestanding, single-sided lovered rack systems are formed from heavy-duty 16 gauge cold rolled steel and have a Gray baked-enamel finish which ensures years of heavy-duty use. Fasten securely to assure adequate load bearing. Unit accepts all sizes of Ultra Bins - up to 60 bins (depending on size) and a 375 lb total capacity. Bins are sold separately. Measures 18" x 12-1/2" x 66".