This ToughBuilt® four-tier, heavy-duty, freestanding rack is built for industrial, professional, and home storage use. Each shelf can support 2,500 pounds for a total load capacity of 10,000 pounds. The 14-gauge steel posts and 16-gauge structural beam design add durability and strength. The wire shelving allows airflow and added visibility. This unit has a hardware-free snap-and-lock assembly and is NSF certified for food storage.