This 5-tier metal shelving unit is constructed out of industrial grade steel with a durable black finish. The Z-Beam design provides strength and rigidity. This shelving unit features five shelves with particle board decking that can be adjusted in 1-1/2" increments to customize your storage space. The wide configuration of this unit provides ample storage for bins, boxes, totes, tools, and other items. Each shelf can hold up to 650 pounds when evenly distributed. It assembles in minutes with no nuts or bolts as a vertical shelving unit or horizontal as a workbench. This unit is perfect for your home, garage or workshop.