Medium-duty 5-shelf storage unit (single post); ideal for a kitchen, office, garage, or other space One shelf holds up to 800 pounds; whole shelving unit holds up to 4000 pounds (when evenly distributed and on a level surface) Durable high-grade aluminum construction with anodizing finish; press-board shelves adjust up or down in 1-1/2-inch increments Rivet-lock design for easy bolt-free assembly; instructions and anti-tipping accessories included Dimensions: 48 x 18 x 72 inches