Heavy-duty 5-tier steel shelf holds 2500 lb total, 500 lb per level. Boards are 0.35 in thick, E1-grade laminate, waterproof and scratch-proof. Split into two short tables or keep tall tiers move 1.4 in up or down. Use in garage, kitchen, pantry, office, warehouse. No bolts, no nuts, just snap frames and tap with included mallet done in 10 min. Clean with a wipe. Weight: 0.05 pounds. Length: 15.35 inch. Width: 33.85 inch. Height: 65.74 inch.