Strong load capacity supports 200 lbs for microwaves and ovens. Shelf expands 17.4 to 27.4 inches, three height levels per tier. Carbon steel frame resists heat and rust. Three tiers, eight hooks, two holders save counter space. Tool-free assembly in minutes, adjustable feet steady on uneven floors. Weight: 0.01 pounds. Length: 12.80 inch. Width: 27.40 inch. Height: 31.40 inch.