The Tennsco Boltless Shelving Unit is a heavy duty steel shelving system that can be assembled without tools or hardware. It has four shelves that are 30" deep x 84" wide and provide 1,680 lbs weight capacity per shelf. The unit stands 48" tall and has a powder coat finish to resist corrosion. This shelving is ideal for warehouses, garages, basements and other storage areas. It can be configured in many ways and additional components can be purchased to expand the system.