72"" Five-Tier Heavy-Duty Shelf in Black is durable enough for the garage, workshop, or commercial business; this shelving unit is capable of withstanding an amazing 800 lbs. per shelf of evenly distributed weight. The industrial quality black powder coat steel is sturdy and rust-resistant making this unit a practical choice for nearly any environment. Adjustable shelves allow you to change the configuration as your storage needs evolve. Combine multiple units to create a customized storage wall. The no-tool assembly allows you to construct in minutes a shelving unit that will last for years.