This heavy duty steel storage rack features thick gauge cold rolled steel with welded uprights and four shelves each holding 1000 lbs for a total 4000 lbs capacity for heavy equipment and tools. Tool free height adjustment with safety locking pins and wall mount kit plus 10 plastic foot pads for leveling on uneven floors. Diagonal support braces eliminate sway with chip resistant anti rust black coating and 59 inch width for garages basements or workshops with fast tool free assembly.