Cantilever Rack Overall Depth 21 1/4 in Overall Height 84 in Overall Width 74 3/4 in Load Capacity per Level 500 lb Whole Unit Load Capacity 3 500 lb Arm Gauge 14 ga Arm Length 14 in Arm Lip Height 1 1/2 in Removable Straight Number of Arms 7 Number of Usable Sides 1 Rack Configuration Add-On Rack Depth 21 1/4 in Base Length 21 in Center Brace Length 72 in Column Gauge 11 ga Medium-Duty Enamel Arms Adjustable on 1-1/2 in Centers Steel