This 5-tier shelving unit is built for heavy-duty storage in garages, workshops, warehouses, basements, and kitchens. It features an SPCC carbon steel frame with E1 MDF shelves and supports up to 500 lbs per shelf, 2500 lbs total. Adjustable shelf heights let you customize the spacing for different items, and the unit can also be split into 2 shorter racks for flexible placement. The snap-on design allows fast assembly without screws or nuts. Included accessories help improve stability and protect the floor during use.