Five gray metal racks with five tiers each create organized storage for tools, bins, and boxes while keeping contents visible and easy to reach. Thick MDF boards form each shelf and sit on a reinforced metal frame that supports up to 440 lbs per tier, giving each unit a 2200-lb total capacity for heavier items. The 29.5 x 11.5 in shelf surface offers room for a mix of small and medium items. Height-adjustable shelves let you change spacing to fit different box sizes or bulky gear. Rolled edges and non-slip foot pads help improve handling and stability. The boltless, interlocking design assembles in about 10 minutes, and one vertical rack can convert into two horizontal workbenches for flexible use in a garage, pantry, kitchen, basement, or warehouse.