This 5-tier heavy duty storage shelving unit is built with a rib-reinforced SPCC carbon steel frame and high-strength shelf boards for dependable support in garages, workshops, warehouses, and basements. Each shelf supports up to 600 lbs, with a total load capacity of 3000 lbs. Adjustable shelf heights help accommodate items of different sizes, and the unit can be split into 2 shorter configurations for added flexibility. Its snap-on design allows quick assembly without screws or nuts. Included accessories help improve stability and protect flooring during use.