Hyper Tough 5 shelf commercial wire shelving heavy duty metal storage rack is ideal for home and commercial use. It has strong and durable welded wire construction in zinc plating. It has open design allows air circulation and reduces dust build-up. It is NSF certified for dry environment and comes with a 5-year limited warranty. This product is designed for adult use. Shelves can be adjusted in one-inch increments. Each shelf can hold up to 800 lbs evenly distributed when assembled with feet levelers. Total unit loading capacity 4000 lbs. Include foot leveler for uneven floor. This wire shelving system is perfect for homes, offices, warehouses and any other places you need to organize.